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If cities require new buildings to use 100% electric heat, will that raise or lower their greenhouse gas emissions?
Electric heating can cause a short-term rise in emissions in areas that get their electricity from fossil fuels. But without electric heat, we can’t get greenhouse gas emissions to zero.
What is the ideal level of carbon dioxide in the atmosphere for human life?
Atmospheric CO2 levels of between 280 and 350 parts per million created the climate that let humanity build and feed the modern world. The farther we get from those levels, the more we run the risk of disturbing that balance.
Do we have the technology to go carbon neutral today?
We still need new breakthroughs to decarbonize many parts of our modern economy, especially if we don’t want to drive up the price of energy and goods. But we can make real progress with today’s technology, and invest in good ideas for the next generation of low-carbon solutions.