Arctic warming four times faster than rest of Earth: study

The Arctic has warmed nearly four times faster than the rest of the planet over the last 40 years, according to research published Thursday that suggests climate models are underestimating the rate of polar heating.

Climate, ice sheets & sea level: the news is not good

Parts of Earth's ice sheets that could lift global oceans by meters will likely crumble with another half degree Celsius of warming, and are fragile in ways not previously understood, according to new research.

Planet Earth: 8 billion humans and dwindling resources

Are eight billion humans too many for planet Earth? As we reach this milestone on November 15, most experts say the bigger problem is the overconsumption of resources by the wealthiest residents.

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