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Tropical Pacific sea surface temperature anomalies

After a long watch, NOAA has issued an El Niño Advisory. What changed? And what does it mean for U.S. weather?

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This video segment explores whether, in principle, renewable energy resources could meet today's global energy needs of about 15.7 terawatts.

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Government officials have already announced a potential water rationing program as well as expected blackouts to conserve electricity in case rains do not pick up. If they don’t, Brazil is almost certainly facing its driest back-to-back rainy seasons in at least 35 years.

Global sea ice thumbnail
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NASA ice expert Claire Parkinson does the math on global sea ice and confirms that small gains around Antarctica do not cancel out large losses in the Arctic.