Prevention signs.

The forest is burn to make new fields.

This chart show causes of deforestation in the brazilian amazon

In 2050, the estimate of forest loss of Amazonas in Brazil is 1/3

Mountaintop's Removal's Effect on Humans and the Economy

Mark Kinver

The US has regained top spot from China as the biggest investor in clean energy in 2011, according to global rankings.

The table, published in a report by the Pew Charitable Trusts, showed that US invested more than $48bn (£30bn) in the sector, up from $34bn in 2010.

Global Clean Energy Projected Growth for 2011-2021

Shahiduzzaman Khan

Energy demands in South Asia are growing at rate of over 6.0 per cent a year - a pace that is far in excess of the region's capacity to meet.

Gareth van Zyl

 Super-high-resolution digital satellite photography is being used by researchers to help fight Malaria in Africa.

 “PM2.5” seems an odd and wonky term for the blogosphere to take up, but that is precisely what has happened in China in recent weeks. It refers to the smallest solid particles in the atmosphere—those less than 2.5 microns across.