Humanity's overall environmental footprint is not sustainable

Substantial, fundamental changes in the world economy are required to reduce humanity's overall environmental footprint to a sustainable level. This is the conclusion of Arjen Hoekstra, professor of Water Management at the ...

Grim tidings from science on climate change

Scientists monitoring the Earth's climate and environment have delivered a cascade of grim news this year, adding a sense of urgency to UN talks starting Sunday in Poland on how best to draw down the greenhouse gases that ...

Global warming slows down world economy: report

Climate change caused by global warming is slowing down world economic output by 1.6 percent a year and will lead to a doubling of costs in the next two decades, a major new report said.

High planetary tilt lowers odds for life?

Highly-tilted worlds would have extreme seasons, subjecting life to alternating periods of scorching and subzero temperatures. This could make the development of all but hardiest, simplest creatures a long shot.

page 4 from 40