Can love and technology save global biodiversity?Last Updated on 2014-11-19 13:44:51A new inspirational way to engage people to become environmentally active has emerged. Instead of sending messages of loss and destruction, companies are trying to inspire the next generation with positive messages.
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How Much Energy Does Your State Produce?Last Updated on 2014-11-11 10:51:16Here at the Energy Department, we take energy data and try to make it easily digestible for Americans everywhere. We’ve looked into how much you spend on energy and how much energy you consume, and now we’re back with a map showing how much energy each state produces. Let’s take a look.
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ClimateLast Updated on 2014-10-01 10:48:54
Climate is the typical pattern of conditions of the earth’s atmosphere over a given region, as defined by factors such as temperature, air pressure. humidity, precipitation, sunlight, cloudiness, and winds. The World Meteorological Organization defines climate as "the statistical description in terms of the mean and variability of relevant quantities over a period of time," where an appropriate period is typically at least thirty years. Climate can be assessed at different, overlapping geographic regions. For example, Earth is thought to have a climate that is distinct from that of other planets, while different regions of Earth are also thought to have distinct climate types. Climate is often described as the "average" conditions; however, since daily and seasonal variability (including extremes) are critical determinants, using the term... More »
Podcast: TED Talks series - David Keith's Unusual Climate Change IdeaLast Updated on 2012-08-06 00:00:00
TED Talks series, FILMED SEP 2007 • POSTED NOV 2007 • TEDSalon 2007 Hot Science
Environmental scientist David Keith proposes a cheap, effective, shocking means to address climate change: What if we injected a huge cloud of ash into the atmosphere to deflect sunlight and heat?
Keith wants to open up discussion on the available climate cooling techniques that science can offer and produce.
ACTIVITY DESCRIPTION AND TEACHING MATERIALS
Listen >> TED Talks: David Keith's Unusual Climate Change Idea
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TEACHING NOTES / CONTEXT FOR USE
This material can be used to explore the more unconventional methods for reversing global warming that are being invented and considered as the Earth continues down a dire... More »
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