Today 56 newspapers in 45 countries take the unprecedented step of speaking with one voice through a common editorial. We do so because humanity faces a profound emergency. Unless we combine to take decisive action, climate change will ravage our planet, and with it our prosperity and security. The dangers have been becoming apparent for a generation. Now the facts have started to speak: 11 of the past 14 years...

Good nutrition is the nexus point where food security, public health and environmental protection meet.  As world leaders in Copenhagen struggle for an ambitious deal, let us not forget that it is the future of our children that is at stake. Hurricanes, floods, heat-waves and droughts wreak havoc when they strike, but in the desolation they leave behind it’s relatively easy to reconstruct a road or a house. A human...

James Hansen, world’s leading climate change expert, says summit talks are so flawed that a deal would be a disaster.  The scientist who convinced the world to take notice of the looming danger of global warming says it would be better for the planet and for future generations if next week’s Copenhagen climate change summit ended in collapse. In an interview with the Guardian, James Hansen, the world’s pre-eminent climate...

An analysis of Wikipedia entries reveals the world’s knowledge deserts — which may provide a second wave of activity for the online encyclopedia  Are Wikipedia contributors running out of topics to write about? Recently, much has been made of the fact that the growth in the number of new Wikipedia articles has been gradually slowing and the number of volunteers apparently falling. But Wikipedia still has much to do, with...

India must resist developed country pressure to cut its greenhouse gas emissions, goes the cry. Such a position helps only the rich, in a tearing hurry to grow richer, the environment be damned. It is in the interest of India’s poor for the country to adopt a stringent policy regime to control emissions domestically and thus contribute to a binding deal to cut emissions globally. Climate change has been identified...