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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.

A new report of scientific findings confirms not only that human activity is the primary cause of rising temperatures, but that climate change impacts are accelerating.

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

Today's environmentally conscious householder is becoming more aware of their impact and more willing to do something about it. Simple power saving devices for around the home are one of the best places to start and and encouragingly, they are continuing to appear. One of the greatest wastes of energy in the household is standby power and here to combat this, is the TrickleSaver. With the ability to sense when a TV or PC is off and shut down any connected peripherals like games consoles or printers, TrickleSaver is looking to make "vampire power" a thing of the past.

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.