Arctic monitoring stations show carbon dioxide levels are now above 400 parts per million. Carbon dioxide is the chief climate-change gas and stays in the atmosphere for 100 years. Before the Industrial Age, carbon dioxide levels were 275 ppm.
The world's air has reached what scientists call a troubling new milestone for carbon dioxide, the main global warming pollutant.
BARAHBISE, Nepal, Looking at the swirling grey waters of the Bhote Koshi River, Ratna Kaji remembers when it turned into a "monster," leaving behind a trail of death and destruction.
"It came down roaring, washed away homes and people when they were sleeping," the 77-year-old said of the 1996 flood, caused by a massive landslide that blocked the river which eventually gushed out by breaking its mud wall.
"People had hardly any time to gather their belongings."
MANILA, 31 January 2012 (IRIN) - The Philippine government has made geo-hazard maps, which outline areas prone to natural disasters, publicly available in a bid to reduce vulnerability at community level.
* Rising population, development put more in harm's way
* Policymakers urged to act in next few decades
* Less emphasis on mitigation, more on cutting risk
By David Fogarty and Deborah Zabarenko
March 28 (Reuters) - A future on Earth of more extreme weather and rising seas will require better planning for natural disasters to save lives and limit deepening economic losses, the United Nations said on Wednesday in a major report on the effects of climate change.