Clean Edge, a clean-tech research and advisory firm based in San Francisco and Portland, has ranked states for their leadership in clean tech. Here are its Top 10 picks:
The Ukraine crisis has led many to call on the US to use its growing oil and natural gas production to help Ukraine and Europe wean itself off Russian energy. There's one very big problem with this view, Cobb writes: The US is still a net importer of both oil and natural gas.
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