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Green Living Tips

Umbra’s second helpings: Keeping your cool without air-conditioning

A reader wonders about the best ways to beat the heat. Umbra has plenty of suggestions for this hot topic.

Food

Pop goes the weasel: Will good deeds keep the soda industry super-sized?

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.

Politics

A tale of two summits: Rio People’s Summit is both vibrant and troubled

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 Policy

From top-down to bottom-up: New directions for climate at Rio+20

Climate change is global; climate change impacts and adaptation are local. We can look to locally appropriate solutions to inform a global response.

Politics

Lame it on Rio: Youth stage Earth Summit walkout

The listless conference in Rio came spontaneously alive for a few hours Thursday, when a youth-led demonstration turned into a mass walkout.

Politics

In Rio, disappointment, discontent — and a few silver linings

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.

Climate Change

Some like it hot (or cold): How weather affects carbon emissions

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.

Living

Ikea won’t tell where it gets its wood — and Congress is about to give it a pass

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.

Population

Why women’s needs must be part of the conversation at Rio

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?