Saving Earth

Brazilian President Luiz Inacio Lula da Silva Tuesday signed a law requiring that Brazil cut greenhouse gas emissions by 39 percent by 2020, meeting a commitment made at the Copenhagen climate change summit.
The new law, however, is subject to several decrees setting out responsibilities and regulations for the farming, industrial, energy and environmental sectors.
Lula [...]

Copenhagen: UN climate talks avoided a total collapse on Saturday by skirting bitter opposition from several nations to a deal championed by the US President Barack Obama and five emerging economies including China.“Finally we sealed a deal,” UN Secretary-General Ban Ki-moon said. “The ‘Copenhagen Accord’ may not be everything everyone had hoped for, but this [...]

No doubt human population growth is a major contributor to global warming, given that humans use fossil fuels to power their increasingly mechanized lifestyles. More people means more demand for oil, gas, coal and other fuels mined or drilled from below the Earth’s surface that, when burned, spew enough carbon dioxide (CO2) into the atmosphere [...]

There are a few people who still argue about the reasons for global warming, but practically no one questions its existence. A few argue that because of the natural variability of the Earth’s climate, or because of the effects of volcanic and solar activity,  it  is not possible  to say  that  the change  in  the [...]

It took all of one year for the member countries of the Framework Convention on Climate Change to decide that the Convention had to be augmented by an agreement with stricter demands for reducing greenhouse-gas emissions. The Convention took effect in 1994, and by 1995 governments had begun negotiations on a protocol — an international [...]