Nation Mar 29 How heavy industries contribute to climate change and what can be done to cut emissions By William Brangham, Shoshana Dubnow
Science Aug 08 Watch 8:29 Can concrete, a major CO2 emitter, be made greener? After water, concrete is the most consumed substance on the planet and its production is expected to grow from 4.4 billion tons to 5.5 billion tons by 2050. But its production, which involves cement, comes at a huge environmental cost… By Mori Rothman
Science Mar 07 Want to cut carbon emissions? Try growing cement bricks with bacteria A North Carolina startup grows "biocement" bricks to circumvent the hefty load of fossil fuels needed for normal cement. By Nsikan Akpan, Matt Ehrichs
Science May 27 Watch BP Remains Optimistic ‘Top Kill’ Will Seal Oil Leak Reports that more oil than originally thought is flowing into the Gulf of Mexico were tempered by early successes in the 'top kill' procedure to stop the leak at its source. Tom Bearden continues to track the progress of the…