Focused policies and investments aimed at protecting and managing forest and trees in and around cities are needed to strengthen urban livelihoods and improve city environments, as the world becomes increasingly urbanized.
Half a million sheep have already died in Argentine Patagonia as a result of the eruption of the Chilean volcano Puyehe, which has covered most fields in the province of Chubut with a film made of a mix of mineral ash.
The world's most endangered sea dolphins are sliding towards extinction in the face of damaging fishing methods, experts are warning. Hector's dolphins are found only around New Zealand, where the population has fallen from 30,000 to around 7,000 since nylon fishing nets came into use in the 1970s, a conference on marine bio-diversity in Aberdeen will hear on Thursday.
Leaders from eight countries launched an initiative to prevent the extinction of sharks, symbolizing the latest development in the growing movement to safeguard the ocean's top predator. Members of the coalition committed to a declaration supporting the development of sanctuaries that end commercial shark fishing in their national waters.
Ozone loss over the Arctic this year was so severe that for the first time it could be called an ozone hole like the Antarctic one, scientists report. About 20km above the ground, 80% of the ozone was lost, they say.
President Cristina Fernandez opened Friday in Patagonia the largest wind farm in Argentina. The Rawson Aeolic Park will eventually generate 80 MW sufficient to supply 100.000 homes according to the private investors.
A young whale which died after it beached in the Humber Estuary is probably of a species rarely found stranded on the east British coast, conservationists have said.
An extremely rare white humpback whale calf has been spotted near Australia's Great Barrier Reef in an event witnesses described Thursday as a once in a lifetime experience.
Bolivian demonstrators opposed to the construction of a road in the Amazon vowed on Wednesday to resume a month-long protest march that has become a major challenge to leftist President Evo Morales.
A judge in Brazil has ordered a halt to construction of a multi-billion-dollar dam project in the Amazon region. Judge Carlos Castro Martins barred any work that would interfere with the natural flow of the Xingu river.