Karl Burkart is a writer, architect, digital strategist, and nonprofit executive focused on issues including climate change, biodiversity, clean energy, and sustainable agriculture. How are the ...

The United States is one of the world’s biggest consumers, and U.S. policies can have global environmental effects. As of 2013, the world’s population would need 1.7 Earths to support its demands on ...

I recently calculated my ecological footprint using an online calculator. If everyone lived as I do, we would need 2.39 planet earths, and we obviously have only one. I started this blog with the ...

Robert B. Richardson is affiliated with the International Society for Ecological Economics, and is currently President of the U.S. Society for Ecological Economics. Experts widely agree that human ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

For more than 40 years, humanity’s demand on nature has exceeded what our planet can replenish. We would need the regenerative capacity of 1.6 Earths to provide the natural resources and ecological ...