Americans eat more than a ton of corn every year. Literally, a ton. Right now, you’re thinking, "There’s no way. No one eats that much corn, even in August." Well, that ton is not really corn in its unsullied, fresh-from-the-field, bought-at-a roadside-stand form. Nor is it in its canned-creamed-or-not form. Most of the corn we eat is in the form of processed additives and sweetners. Green Options’ Philip Proefrock wrote about how we eat corn, and why we eat so much of it. In the new documentary King Corn, director/producer Aaron Woolf attempts to bring the prevalence of corn to the big screen.

King Corn focuses on co-producers Ian Cheney and Curt Ellis as they move to Iowa, rent an plot of farmland, and attempt to grow an acre of corn using typical industrial methods: genetically modified seeds, nitrogen fertilizers, powerful herbicides, and government subsidies. They show us exactly how industrial corn production works today, from seed to table, in the convoluted journey of a commodity. From Ian and Curt’s one acre, they harvest enough corn to make 57,348 sodas, 3,894 burgers, or 6,726 boxes of cornflakes. And yes, corn is a major ingredient in all of those foods.

The two major corn byproducts King Corn focuses on are high fructose corn syrup (HFCS) and beef. The average American consumes 73.5 pounds of HFCS per year, mostly in the form of soda. Ian and Curt talk to a cab driver whose family is plagued by diabetes and who lost 100 pounds, just by cutting soda out of his diet. They also visit a beef feedlot: a large percentage of corn grown in the US goes to feed beef, even though cows’ bodies are not designed to eat corn and it can make them seriously sick and definitely uncomfortable. But, as the panoramic shot of a feedlot populated by 100,000 head of cattle shows, indigestion is the least of most cows’ worries — they barely have room to turn around on their way to the slaughterhouse.

Cheney and Ellis are fairly charming, but leave little impression on the viewers other than they seem like nice guys with whom to share a beer. The time spent on the backstory of their families’ connection to Iowa is unnecessary and detracts from more content Woolf could have included about the impact of corn: namely the environmental impacts of industrial corn production at the scale we’re at right now. Just when I felt the filmmakers were about to talk about the degradation of topsoil, the carbon impacts of CAFOs and corn-fed beef, or the externalities created from industrial agriculture, they skirted away and went in another direction. And although they do inform on the gross use of farm subsidies and how those subsides have changed over time, they neglect to mention the impact of government subsides to American corn farmers on corn farmers in other countries, namely our Mexican neighbors.

However, industrial agriculture is a wicked problem, and the filmmakers do note that they wanted to focus on the food system. In my mind, though, you can’t talk about the problems with the food system without talking about the condition of the land we use to grow our food. With the environment so prominent in current discourse, one would think they would have at least touched on that area.

Despite this, I was entertained and informed, and not just because I’m a born-and-raised Iowa Girl. The vast majority of Americans have no idea how their food is produced, and King Corn gives a general glimpse into what Old MacDonald’s farm has become. If you liked Super Size Me, Sicko, or The Future of Food, King Corn is a hybrid of the three, and well worth checking out. Just don’t expect green themes to be prevalent.

Sustainability is making its way into mainstream periodicals. It seems like almost every magazine in the past year has featured a "green" issue, some credible, some not. My friend just gave me the green issue of a magazine targeted at the marketing industry. So it’s no surprise that Edutopia, an education magazine for teachers and administrators published by the George Lucas Educational Foundation, used sustainability as a theme for their October issue.

Kudos to Edutopia; this issue ain’t no puff piece. Every teacher looking to go green, or those already greening their classroom, can find something of use to them in this jam-packed issue. The editor’s note in the issue is penned by guest editor Bill McKibben of Step It Up fame, who skillfully explains why all teachers should and can incorporate sustainability into their curriculum.

Edutopia listens to McKibben’s advice by provided several ideas for sustainability lesson plans and projects for all ages. Not only are there many useful ideas in the magazine, but there are more on the magazine’s website. There are also tips for teachers, by teachers, about how to green up their own classroom practices: some helpful, some fairly obvious.

Sara Bernard highlights Clackamas High School in Clackamas, Oregon, one of the first LEED-certified schools in the country. Not only is their building green, but their curriculum highlights sustainability, and students all participate in experiential learning. In teacher Rod Shroufe’s sustainable systems class, students do nothing but focus on making their school more sustainable. They run their own recycling center, investigate energy use and waste disposal, and analyze food waste. Shroufe then offers his own tips for making schools more eco-friendly.

Richard Rapaport reports on school gardens and playgrounds. I’ve written about schoolyard gardens before, but the nature-based "alternative playgrounds" highlighted here were new to me — and quite fascinating. For example, at the San Francisco School in the Bernal Heights District of San Francisco, the alternative playground has a dirt plot with a water pump that creates mud with the perfect consistency for mud castles and pies.

There are also articles on student environmental research, experiential learning, and environmental defense efforts. It struck me how much students can accomplish when they become passionate about something. These articles paired nicely with two pieces on the nuances of talking to kids about something as urgent and pressing as global warming. Edutopia also has Ann Cooper’s opinion on local eating, something often avoided in green magazine issues in favor of more benign lifestyle changes (like the ubiquitous CFL). Cooper not only explains the benefits of local eating, but provides the laundry list of local eating books for those looking for more information. And, of course, what green magazine issue would be complete without the seemingly-requisite interview with Ed Begley, Jr?

Edutopia’s green issue is legitimate and will hopefully bring the message of sustainability to a greater crowd who may just have more influence on the future than our politicians: our teachers. Of course, I’m biased, but climate change and environmental destruction will impact future generations more than they will impact us. Our children deserve to hear the message and feel empowered to make positive changes.

When I talk to people about thinking sustainably, they inevitably ask for books to read, and although there are several books I love about sustainability, they’re all very specific to one area of sustainability. Want to read about food? Try Michael Pollan, Peter Singer, or the new Barbara Kingsolver book. Climate Change? How about The Weather Makers? Looking for the classics? Rachel Carson and Aldo Leopold are a good starting place. But I haven’t yet found the primer, the comprehensive text that really gets into why humanity desperately needs to embrace a greener way of life.

The Future of Nature: Writing on a Human Ecology from Orion Magazine (Milkweed Editions, $18.00), just might be that book. A collection of thought-provoking essays selected and introduced by Barry Lopez, The Future of Nature includes writings by such heavy-hitters as Wendell Berry, Bill McKibben, and Derrick Jensen, all originally published in Orion, the seminal magazine covering the intersection of culture, nature, and the environment.

Released this past Thursday, the book is divided into six loosely-themed sections. Actions runs the gamut of activism, from small suburban grassroots efforts to stop construction on a SuperTarget store to bailing out direct-action activists in Appalachia. Refugees discusses those displaced by humanity’s interactions with the environment, giving a face to the faceless victims of climate change and the unending hunt for resources. Boundaries addresses the idea of the wilderness and our relationship with it. Reverence discusses how appreciation for nature, a love of and respect for it, is the essential guidepost for sustainable living. Monsters lays out just exactly what sorts of devastating things we’re doing to our only home, and Native leaves the reader with both hope and guidance for living in harmony with our ecosystem.

Highlighting both theory and practice of sustainable (and unsustainble) living, the causes of our ecological crises, and a vision for a lasting future, The Future of Nature provides a plethora of contexts for understanding just why we desperately need to change the way we live. Elegantly written and compiled, this book should be required reading for those interested in sustaining our future on Earth. The themes balance each other nicely; the reader understands the reality of the direness of humanity’s situation but is left with hope that good things are happening everywhere, those little pockets of positive change that will lead to a more balanced way of life. It immediately made me want to go read not only Orion, but every other piece of writing by this insightful group of writers.

Bill McKibben's highly successful Step It Up campaign may have overshadowed the release of his latest book Deep Economy, which probably overshadowed the recent paperback re-release of one of McKibben's earlier books, 1995's Hope, Human and Wild: True Stories of Living Lightly on the Earth. Luckily, this second edition of Hope (Milkweed Editions), largely in part because of a new afterword by McKibben, remains relevant, and, like its title says, hopeful.

The book discusses, in four sections, pockets of civilization that can give us hope for sustainable communities and environments. McKibben starts with arguably the driest section, chronicling the regrowth of wildlife in New England despite our best efforts to completely destroy it. Although the most tedious of the book, I found this section full of promise because it reminded me that in our quest to "save the environment", we are really saving humanity: the earth will continue to bounce back long after we're gone.

The second two sections discuss two local solutions to global problems in the communities of Curitiba, Brazil and Kerala, India. In the first, ambitious city planners in Curitiba use practical, yet ingenious solutions to the city's problems to create a sustainable city where people's desires are met, no matter what their income, and residents feel a strong sense of community. For example, Curitiba's favelas, or slums, were constantly overwhelmed with trash piling up. Local officials started a program where residents of the favelas could exchange bags of gathered trash for equal-weight bags of food purchased, by the city, from local farmers who had a surplus. A model public-transportation system, based on buses owned by private companies, but with fares and routes dictated by the city, had, in twenty years, grown from 25,000 riders per day, to 1.5 million. City planners changed much of the downtown business district into pedestrian-only areas.

Kerala's story was different, but no less remarkable. In a region where people survived on, at the time of first publication, $330 per year, life expectancies were equal to those of Americans, there was virtually 100% literacy, and education was a community priority, for adults and children alike. Keralites have been able to avoid the abject poverty that pervades much India, due to their leaders committing to putting people first, and breaking down socioeconomic barriers such as race, class, and gender through community commitment to problem solving.

The stories of these communities are so completely intriguing, mainly because of their innovative, yet practical approaches to solving problems that also plague us here in America. It indicated to me the glaring ethnocentrism that we sometimes demonstrate when it comes to looking outside our own country for answers to problems.

The final original section of the book covers McKibben's reflections on the first three, although I found the afterword much more fascinating, as McKibben reflects on the original text ten years later. Were Curitiba and Kerala able to sustain the successes they had achieved? How have NAFTA, the WTO, and 9/11 affected sustainability? Are we doomed, or does hope still exist? McKibben doesn't have all the answers, but I was left with hope that those answers are out there, waiting for us to discover them.

Poster and essay contests are widely-used avenues to engage students in environmental activism, but are often solitary activities that involve individual students.

For those teachers looking for something more hands-on, opportunities beyond the traditional poster contests challenge teachers and students to design creative solutions to environmental problems. Students benefit by having a structured setting to think critically and creatively, problem solve, and work cooperatively (not to mention the possibility of extrinsic reward for winning!) Sponsoring groups benefit by finding young talent and creative solutions that may be marketable and beneficial to both businesses, non-profits, and communities.

The Lifecycle Building Challenge, sponsored by multiple groups, including the EPA, Green Building Blocks, and the American Institute of Architects, challenges professionals and students to create buildings, building services, and/or building components that promote materials reuse throughout the entire lifecycle of a building, from design to deconstruction.

By creating buildings that are able to be reused or whose components are built with minimal material waste, contestants will design solutions that reduce the large environmental impact that comes from building and design. Students can enter in three categories: building, component, and service, and the top designs from each category can win multiple prizes, including $2500.

Canon's Envirothon is an annual competition in which students compete for scholarships by demonstrating their knowledge of environmental science and natural resource management. Student team are tested in multiple subjects and present orally in order to determine winners. One of the most extensive contests, there are numerous local and state Envirothons in which student groups can participate, with winners advancing to the national competition.

Finally, hip-hop band The Roots and non-profit Global Inheritance are teaming up to sponsor Feed Your Roots, a student contest to promote composting in schools. Student groups create a program that involves composting and design a poster with information for schools about composting. Winning schools will receive specially-designed compost bins autographed by The Roots themselves.

Contests such as these are interesting and atypical ways to move students from thinking into doing, and hands-on problem-solving allows them to create authentic solutions and make real change in the schools and communities.