renewable energy18
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New Yorkers Fear Impacts of Climate Change, And Want to Act
Residents Say Citizens, Business and Government Should Do More
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First Successful Demonstration of Carbon Dioxide Air Capture Technology Achieved by Columbia University Scientist and Private Company
Global Research Technologies, LLC (GRT), a technology research and development company, and Klaus Lackner from Columbia University have achieved the successful demonstration of a bold new technology to capture carbon from the air. The “air extraction” prototype has successfully demonstrated that indeed carbon dioxide (CO2) can be captured from the atmosphere. This is GRT’s first…
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Answers About the Earth’s Energy Imbalance by James E. Hansen, Director of the Goddard Institute for Space Studies
Below are answers to typical questions about this research topic and its implications provided by James E. Hansen, director, NASA’s Goddard Insittute for Space Studies. Hansen was lead author on a paper published by Science in April 2005 on this topic. What is the direct significance of the energy imbalance found by the authors in…

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!