EPA: Smog could get worse with global warming (AP via Yahoo! News) Global warming could worsen smog and stretch what typically is a summer pollution problem into the spring and fall, government scientists predicted Thursday. [News Source]

After applause dies down, global warming talks leave few concrete goals. The sobering reality behind the G-8 summit was that it ended without an agreement on firm targets on reducing greenhouse gases, some experts said. [News Source]

In a changing climate, cities worsen water quality. A new study of more than 1000 Maryland streams finds that as climate patterns change, urban sprawl can pollute water with more nitrate than previously thought. [News Source]

The old man who farms with the sea. Carl Hodges is growing salicornia, a crop nourished by ocean water that holds the potential to provide food and fuel to millions. [News Source]

How and why to cut your paper footprint. Each of us throws away, on average, a quarter of a ton of paper every year. That is making a massive contribution to global warming, says one woman on a mission to slash our waste and save the forests. [News Source]

Dirty driving: Top 10 worst polluters. The Hummer H2 might be an obvious target for environmentalists, but unless it's caked in mud, the hulking sport utility vehicle isn't the filthiest ride on the road. That distinction goes to another SUV: the Volkswagen Touareg V10 TDI. [News Source]

Was Reid’s slur on coal an impolitic truth? Sen. Harry Reid has a knack for blurting out the one thing nagging in the back of some people’s minds — the thing few people of his stature dare to say, for fear of looking off kilter. [News Source]

Nuclear power in Germany gets new support. Rising energy prices and concerns about global warming are forcing Germany to rethink its decision to phase out nuclear power. [News Source]

Lawmaker: FEMA trailer maker knew of formaldehyde. Gulf Stream, the main supplier of travel trailers for displaced victims of Hurricane Katrina, knew of high levels of formaldehyde in some of the trailers, the Democratic chairman of a House oversight committee said Wednesday. [News Source]

Argentine natural ice dam bursts for first time in winter. A natural ice dam in southern Argentina broke open spectacularly on Wednesday -- the first time it has burst in winter, prompting experts to say climate change was the reason. [News Source]

As climate issue heats up, questions of cost loom. If the campaign against global warming gets serious, it will transform today's esoteric environmental threat into a fundamental pocketbook issue for people from Boston to Beijing. [News Source]