Environment
The Sun Isn’t Responsible for Climate Change
I recently wrote an article for Wired Science about how there doesn't appear to be a link between cosmic rays…
Geoengineering Comes with Huge Risks
Over the coming decades, we're going to learn what kind of impact global warming is going to have on planet…
NASA Administrator Isn’t Sure Global Warming is a Problem
I've got to say, I nearly fell out of my chair when I read this today. NASA Administrator Mike Griffin…
Snow Melt is on the Rise in Greenland
The island of Greenland experienced more days of melting during 2006 on average than in the last 18 years, according…
Sea Ice Loss Predictions Aren’t Conservative Enough
The effects of global warming are already being felt worldwide, but the Earth's poles are suffering the worst of it.…
Snowball Earth Probably Had Warm Spots
Planetary geologists propose that our planet once had periods of extreme global freezing nicknamed the "Snowball Earth" eras. During these…
Satellites Reveal Subglacial Streams in Antarctica
Although it looks ancient and unchanging, the ice sheet in Antarctica is a surprisingly active place. Deep beneath the sheet's…
How Did Early Bacteria Survive Poisonous Oxygen?
Oxygen makes up 21% of the Earth's atmosphere, and we need it to breathe. But early organisms would have found…
Biggest Ozone Hole Ever
If you're going to Antarctica, put on your sunscreen. According to NASA and NOAA scientists, the ozone hole above the…
Warmest World in 12,000 Years
Hot enough for you? A new NASA study has found that global temperatures are nearing their hottest level in more…