Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years. What does this portend?
May 9, 2013 |
Measurements at Mauna Loa touch this historic level
A short list of relatively simple actions taken to reduce greenhouse gases other than CO2 could help put the brakes on global warming--if implemented globally
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
Deadline: Jun 30 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
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