Greener spring, warmer air

Advanced leaf-out, or early sprouting and opening of leaves, is a direct response to climate change. In the northern hemisphere, leaf-out has advanced at a rate of 4-5 days per decade on average since 1980s, according to ...

How do we protect our unique biodiversity from megafires?

This summer's devastating Australian fires and their continuing impact on biodiversity serve as a stark reminder of the challenges in nature conservation as we head into an increasingly volatile future driven by climate change.

Extreme weather to overload urban power grids, study shows

Extreme hot spells made increasingly likely by climate change could overload urban power grids and cause roving blackouts as an ever-greater share of humanity opt to live in cities, scientists said Monday.

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Northern Hemisphere

Coordinates: 45°0′0″N 0°0′0″E / 45°N 0°E / 45; 0

The Northern Hemisphere is the half of a planet that is north of the equator—the word hemisphere literally means 'half sphere'. It is also that half of the celestial sphere north of the celestial equator. Earth's northern hemisphere contains most of its land area and most of its human population (about 90%).

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