Note: This article was originally printed with the title, "Overshadowing Difficulties".
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Geoengineering is a seductive idea. Maybe too seductive
Note: This article was originally printed with the title, "Overshadowing Difficulties".
Deadline: Jul 25 2013
Reward: Varies
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
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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