In this brand-new slideshow (premiering on TED.com), Al Gore presents evidence that the pace of climate change may be even worse than scientists recently predicted. He challenges us to act.

Andy Hobsbawm shares a fresh ad campaign about going green -- and some of the fringe benefits.

Given $50 billion to spend, which would you solve first, AIDS or global warming? Danish political scientist Bjorn Lomborg comes up with surprising answers.

Capt. Charles Moore of the Algalita Marine Research Foundation first discovered the Great Pacific Garbage Patch -- an endless floating waste of plastic trash. Now he's drawing attention to the...  Read More

The Gulf oil spill dwarfs comprehension, but we know this much: it's bad. Carl Safina scrapes out the facts in this blood-boiling cross-examination, arguing that the consequences will stretch far...  Read More

The varieties of wheat, corn and rice we grow today may not thrive in a future threatened by climate change. Cary Fowler takes us inside a vast global seed bank,...  Read More

Environmental scientist David Keith proposes a cheap, effective, shocking means to address climate change: What if we injected a huge cloud of ash into the atmosphere to deflect sunlight and...  Read More

Nuclear power: the energy crisis has even die-hard environmentalists reconsidering it. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off over the pros and cons. A...  Read More

"I don't think we're going to make it," John Doerr says in an emotional talk about climate change and investment. To create a world fit for his daughter to live...  Read More

Lewis Pugh talks about his record-breaking swim across the North Pole. He braved the icy waters (in a Speedo) to highlight the melting icecap. Watch for astonishing footage -- and...  Read More

In 4 minutes, atmospheric chemist Rachel Pike provides a glimpse of the massive scientific effort behind the bold headlines on climate change, with her team -- one of thousands who...  Read More

Current trends in population growth suggest that global food production is unlikely to satisfy future demand under predicted climate change scenarios unless rates of crop improvement are accelerated. In order...  Read More

This book has been written for several audiences: those in developing countries who deal with European donors; those in non-EU donor countries seeking insights into the breadth of the EU’s...  Read More

Calculate the impact of your travel, home and shopping habits with our simple carbon footprint calculator.

NCAR's Climate & Global Dynamics Division (ESSL) has released an updated CCSM3 animation that models global warming up to the year 2100 in each of the four IPCC Fourth Assessment...  Read More

Play UK prime minister and set the policy on energy, transport and other sectors and measure the carbon emissions generated.