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Dear EarthTalk: To what extent does human population growth impact global warming, and what can be done about it? -- Larry LeDoux, Honolulu, HI. 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 to trap warm air inside like a greenhouse.

Human Impact Report LONDON - Kofi A. Annan, President of the Global Humanitarian Forum, introduced a major new report on the human impact of climate change. The 'Human Impact Report: Climate Change - The Anatomy of a Silent Crisis' is the first ever comprehensive report looking at the human impact of climate change.

The Elders are an independent group of eminent global leaders, brought together by Nelson Mandela, who offer their collective influence and experience to support peace building, help address major causes of human suffering and promote the shared interests of humanity.

WWF provides interactive map predicting 'Global Climate Change Impacts in the U.S.'

Mark Dressman Photo by L. Brian Stauffer To adequately prepare today's students for tomorrow's global economy, teacher education expert Mark Dressman favors "transcultural education," which he defines as an experience that goes beyond the traditional rite-of-passage trip to western Europe.

The Prime Minister said the economies of the developing nations need help as they adapt to the changing global climate

The Carnegie Institution for Science is a private organization that conducts basic research for the benefit of humanity.

Inside a thatched-roof schoolhouse in Nabekodabadaquiba, a village deep in Brazil's Amazon rain forest, Surui Indians and former military cartographers huddle over the newest weapons in the tribe's fight for survival: laptop computers, satellite maps and hand-held global positioning systems. (...)

President Obama sent two of his Cabinet secretaries to China this week to deal with the question of global warming. Both of them are of Chinese descent. That sent a ripple of interest through China's officialdom.

Five climate change pieces with something new to say: Two degrees of global warming -- the target the G8 nations last week approved as a maximum temperature rise allowable due to climate change (and which many argue is being made inevitable by slow political action in G8 nations) -- has been played in the media as a "moderate" target. It's not. Real Climate writes about a two-degree goal: