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How Can We Get to Zero-Carbon Energy?

Last week, Earth hit a long-awaited (and much dreaded) climate milestone: the amount of carbon dioxide in the atmosphere (as recorded at Hawaii’s Mauna Loa Observatory) has exceeded 400 parts per million for the first time in the 55 years atmospheric CO2 concentrations have been measured — and perhaps not since the Pliocene Epoch, which was between 2.6 and 5.3 million years ago.

The reading was just for a single day — May 9 — and will fall in the summer if previous annual trends hold. But even with substantial improvements in energy efficiency and conservation, atmospheric CO2 levels will continue to grow over the coming decades unless significant global steps are taking to stabilize them — among them, a large increase in zero-carbon energy production. What will it take to achieve that increase? (I’ll speak on that topic tonight at 7:30 PM as part of The Future of Energy,” a Nature Conservancy/WBUR panel discussion at Boston’s BSA Space that also includes Daniel Kammen of the University of California-Berkeley and Jigar Shah, clean-tech entrepreneur. Learn more about the panel and The Future of Nature discussion series.)

Obviously, political will would help get us to zero-carbon energy. But innovations in several key areas could have a big impact. And innovations that lower costs of zero-carbon solutions, making the switch relatively painless for families and businesses, should help bolster political will.

The future of zero-carbon energy production is a big, complicated topic, but there are three areas that seem particularly worthy of discussion: 1) the importance of energy storage for renewables, 2) the diversity of options for zero-carbon electricity, and 3) zero-carbon transportation.

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Too many deer. Logging one tree to save another. Beavers versus old growth. Welcome to forest conservation in the Anthropocene. Beginning Monday, July 21, join us for a provocative 5-part series exploring the full complexity facing forest conservation in the eastern United States.

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