The politics and business of climate change
COAL: Teams compete in $20M CO2 capture contest
Teams from around the world are competing in a $20 million contest to come up with the best idea for carbon capture and storage.
WIND: $1B energy investment will power 215,000 homes
Over the next five years, a wind farm in Iowa will add 500 megawatts of energy -- the equivalent of power for 215,000 homes -- due to a $1 billion investment from Alliant Energy Corp.
FORESTS: How bad are wildfires in Siberia? Only Russia knows
While the United States watches the fire season heat up in the West, on the other side the world, Siberian wildfires are scorching forests and sending up smoke plumes visible from space.
INTERNATIONAL: Philippine commission to investigate carbon majors
Officials in the Philippines have filed a complaint against 47 international cement, mining and oil companies alleging their expansive carbon emissions are worsening climate change, which is a violation of Filipinos' human rights.
RENEWABLE ENERGY: Engineers work to cut costs and emissions in geothermal power
HENGILL, Iceland -- Billowing vapor clouds and the faint smell of boiled eggs lead visitors over a gravel road toward the Hellisheiði Power Station, 15 miles southeast of the Icelandic capital, Reykjavik.
COAL: Alpha restructuring raises environmental cleanup questions
Alpha Natural Resources Inc. emerged from bankruptcy Tuesday declaring it was ready to keep mining coal, albeit dramatically less.
BUSINESS: Are green programs creating happy customers?
Whether it's reusing hotel towels or installing recycling bins in dining rooms, the service industry is looking for ways to be greener.
DEMOCRATIC CONVENTION: Clinton accepts nomination, declares 'I believe in science'
PHILADELPHIA -- Hillary Clinton raced into a sharpening phase of her campaign last night by appealing to anxious Americans in hardscrabble coal towns and Texas borderlands, in the first address by a female major-party nominee for president in U.S. history.