What's the carbon footprint of an email?

A long list of seemingly harmless everyday actions contribute to emissions of carbon dioxide (CO2) and other climate-altering greenhouse gases.

Environmental concerns grow as space tourism lifts off

After years of waiting, Richard Branson's journey to space this month on a Virgin Galactic vessel was supposed to be a triumphant homecoming. Instead, the jaunt attracted significant criticism—about its carbon footprint.

Dutch vegetarian butcher takes on the 'Frankenburger'

Never mind last month's revolutionary test-tube beef burger grown from meat stem cells. The Dutch are way ahead with a "vegetarian butcher" who transforms plants into "meat". Dubbed the "Frankenburger", the lab-grown beef ...

Humans overshoot 2020 planetary 'budget' on August 22: report

Humanity will have burned through all the natural resources that the planet can replenish for 2020 by Saturday, according to researchers who said the grim milestone is slightly later than last year after the pandemic slowed ...

The long road to the 2000-watt society

The vision of a society in which each inhabitant of the earth manages to consume only 2000 watts (48 kilowatt-hours per day) has already been around for 15 years. During this time, there has been a steady increase in environmental ...

Humanity's overall environmental footprint is not sustainable

Substantial, fundamental changes in the world economy are required to reduce humanity's overall environmental footprint to a sustainable level. This is the conclusion of Arjen Hoekstra, professor of Water Management at the ...

Greenhouse surprise for red meat

(PhysOrg.com) -- Beef produced in feedlots has a smaller carbon footprint than meat raised exclusively on pastures, according to the surprise results of a new study.

Wet computer server could cut internet waste

A revolutionary liquid-cooled computer server that could slash the carbon footprint of the internet is being tested at the University of Leeds.

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