A reader wonders about the best ways to beat the heat. Umbra has plenty of suggestions for this hot topic.
Through cause marketing programs like Pepsi Refresh, the beverage industry is buying good will, and protection from policy changes like New York's proposed soda ban.
On one side of Rio de Janeiro, world leaders debated the future of the planet. On the other, a grassroots gathering gave a glimpse of the realities of life in the developing world.
Climate change is global; climate change impacts and adaptation are local. We can look to locally appropriate solutions to inform a global response.
The listless conference in Rio came spontaneously alive for a few hours Thursday, when a youth-led demonstration turned into a mass walkout.
The final Earth Summit agreement, to be signed by world leaders on Friday, isn’t worth the paper it’s printed on, according to many critics. But that doesn’t mean it was a waste of time.
We need more nuanced ways of figuring out which countries are doing well on carbon. A new paper offers emissions rankings that take local climate into account.
Particleboard is the furniture equivalent of mystery meat -- and Ikea, which in the past has been a leader in responsible wood sourcing, is helping keep it that way.
Increasing women's reproductive freedom is crucial to building a more sustainable world. So why are their needs largely being ignored at the Earth Summit?