[WGBH News ]...Gabriel Chan, 27, is a Ph.D student at Harvard in public policy, focusing on climate change and energy technology. But his daily efforts to cut his carbon footprint aren’t always inspired by his research.
“Recently, I changed my light bulbs to LED light bulbs.," Chan explained. "And that’s because my energy company sent me a letter that said I was way worse than all my neighbors. They gave me a little graph and said you’re doing badly. So, we switched all our light bulbs and this was the first...
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