Estimating the environmental impact of Bitcoin mining

As an alternative to government-issued money, the cryptocurrency Bitcoin offers relative anonymity, no sales tax and freedom from bank and government interference. But some people argue that these benefits have an enormous ...

Slashing plane emissions a lofty goal, but progress elusive

The aircraft industry is facing growing criticism over greenhouse gas emissions that are set to soar as more people take to the skies, but experts say game-changing technology for cleaner planes is still decades away.

Dirty data: Firms count environmental costs of digital planet

Technology is often touted as a solution to the world's environmental challenges, but it is also part of the problem: industry executives are facing rising pressure to clean up their energy and resource-intensive business.

2018 spike in energy demand spells climate trouble: IEA

A 2.3 percent jump in global energy demand last year outstripped the expansion of renewables and helped drive record-high greenhouse gas emissions, the International Energy Agency (IEA) said Tuesday.

Raw materials behind half of global emissions: UN

Extracting and processing materials, fuel and food contributes as much as half of the world's greenhouse gas emissions, the UN said Tuesday, as experts gathered in Kenya to find ways to rein in exploding global consumption.

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