Treating water for human consumption is costly and energy intensive. Is there a more efficient way to do it?
– Michael Brune is Executive Director of the Sierra Club, the largest grassroots environmental organization in the United States and author of Coming Clean: Breaking America’s Addiction to Oil and Coal. –
Greenhouse gas emissions by industrialized nations fell by 2.2 percent in 2008, the steepest fall since 1992 as the world economy slowed, a Reuters compilation shows.
from The Great Debate UK:
- Dr Andrew Hooper is an Assistant Professor at Delft University of Technology and is an expert on monitoring deformation of Icelandic volcanoes. The opinions expressed are his own. -