State cap-and-trade systems offer evidence that carbon pricing can work
- Written by Kelly Sims Gallagher, Professor of Energy and Environmental Policy and Director of Center for International Environment and Resource Policy at The Fletcher School, Tufts University

The latest UN Intergovernmental Panel on Climate Change report argues that carbon pollution must be cut to zero by 2050 to avoid devastating levels of climate change.
Achieving that goal will require swiftly transforming the energy, transportation,...
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