Tag Archives: Mark Z. Jacobson

Urban ‘heat island’ effect is a small part of global warming


Urban ‘heat island’ effect is a small part of global warming; white roofs don’t reduce it Cities release more heat to the atmosphere than the rural vegetated areas around them, but how much influence these urban “heat islands” have on … Continue reading

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The world can be powered by alternative energy, using today’s technology, in 20-40 years


If someone told you there was a way you could save 2.5 million to 3 million lives a year and simultaneously halt global warming, reduce air and water pollution and develop secure, reliable energy sources – nearly all with existing … Continue reading

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