Former United States President Bill Clinton announced on Tuesday agreements with drug companies to lower the price of so-called second-line AIDS drugs for 66 countries of the developing world and to make a once-a-day AIDS pill available for less than one dollar a day.
Brazil President Luiz Inacio Lula da Silva has authorised the country to break the patent on an AIDS drug made by Merck & Co - importing a generic version from India instead. It's the first time Brazil has bypassed a patent to acquire cheaper drugs for its AIDS prevention program.
Delegates from 120 countries approved the first roadmap for stemming greenhouse gas emissions Friday, laying out what they said was an affordable arsenal of anti-warming measures that must be rushed into place to avert a disastrous spike in global.
Santiaguinos stuck in the city for the long weekend faced the first environmental alerts of the year after an increased level of air contamination was detected on Friday night. The contamination alerts were issued for Saturday and Sunday.
Opponents of plans to construct several massive hydroelectric dams in Chile's northern Patagonia region are welcoming a new and very influential ally: the Sierra Club.
The former president of Chile, the first woman Prime Minister of Norway and the President of the 56th Session of the United Nations General Assembly were named on Monday Special Envoys for Climate Change by Secretary-General Ban Ki-moon, who has made the issues one of his top priorities.
Delegates at a major climate meeting debated Monday how to rein in rising greenhouse gas emissions that could threaten hundreds of millions with hunger and disease in the coming decades.
Several families remain in emergency accommodation after an earthquake struck a corner of Britain, causing power cuts and damaging dozens of home.
Search and rescue efforts continued in Region XI Sunday, one day after a substantial earthquake and subsequent mini tsunami struck near the towns of Puerto Aysén and Puerto Chacabuco. So far authorities have located the bodies of three people who were swept away Saturday by massive waves in the Aysén Fjord. Seven others are still missing.
An environmental group said Thursday some of the world's greatest natural treasures are threatened with destruction because of global warming - from the Great Barrier Reef to the Amazon rain forests and the unique ecosystem of the Mexican desert.