Atmospheric concentrations of carbon dioxide, the main greenhouse gas, have passed a dangerous new threshold as people continue to burn fossil fuels. Is anyplace making progress on climate change? Steps like these, taken individually, aren’t enough to avoid the most serious consequences of climate change — worsening droughts, intensified storms and human suffering. Still, they show how some places are pulling off significant local changes very quickly. Globally, “we’re not moving as fast as we need to,” said Thomas Spencer, an analyst at the International Energy Agency.

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Persons: ”, Thomas Spencer Organizations: International Energy Agency Locations: South America, China, Paris