Sep 28, 2013

Farmed salmon beats wild salmon in taste test

Read a story about salmon, and the odds are that, somewhere, it’ll tell you that wild salmon tastes better than farmed. But does it? We decided to find out in a blind tasting, and assembled a panel that included noted Washington seafood chefs and ...

IPCC '95% certain' climate change is man-made

Sep 28, 2013

IPCC '95% certain' climate change is man-made

Top scientists have a better idea of how global warming will shape the 21st century: In a new report, they predict sea levels will be much higher than previously thought and pinpoint how dangerously hot it’s likely to get. In its most strongly worded ...

Sands of time running out for rare Canada desert

Sep 28, 2013

Sands of time running out for rare Canada desert

As desertification creeps into parts of the world, a rare stretch of sand in Canada’s vast western plains is oddly doing the reverse — slowly sprouting vegetation. Tufts of prairie grasses are emerging throughout Spirit Sands, a stretch of dunes steeped in local lore ...

Sep 25, 2013

Killer Sao Paulo pollution highlighted

Air pollution kills more people annually than road accidents in Sao Paulo, Brazil’s most populous city and host of the opening game of the 2014 World Cup, a study found. The survey by the Health and Environment out Tuesday said at least 4,655 people ...

Sep 21, 2013

Arctic sea ice melt temporarily eases

The amount of ice in the Arctic Ocean shrank this summer to the sixth-lowest level on record, but that left much more ice than last year’s all-time low. The ice cap at the North Pole melts in the summer and grows in winter. Its ...

U.S. to curb emissions at power plants

Sep 21, 2013

U.S. to curb emissions at power plants

The U.S. Environmental Protection Agency proposed Friday to limit carbon dioxide emissions from new power plants in a bid to implement President Barack Obama’s plan to fight climate change. The move marks the “first milestone” of a major part of the Climate Action Plan ...

U.N. climate target imperiled

Sep 21, 2013

U.N. climate target imperiled

Scientists will put pressure in the coming week on the U.N.’s troubled climate talks by releasing a report pointing to the dizzying challenge of meeting the international body’s global warming target. In the first volume of a massive trilogy, the Nobel Prize-winning Intergovernmental Panel ...

Sep 20, 2013

New battery turns sewage into electricity

U.S. scientists may have found a new way to produce clean energy by way of dirty water, according to a new study. The engineers have developed a more efficient method to use microbes to harness electricity from wastewater. They hope their technique can be ...