Each Antarctic tourist effectively melts 83 metric tons of snow

Every summer, as the sea ice surrounding Antarctica retreats, tens of thousands of tourists and scientists flock to the landmass by boat and plane. The remote continent is becoming increasingly accessible—during the 2019-20 ...

Biodiversity 'hot spots' devastated in warming world

Unless nations dramatically improve on carbon cutting pledges made under the 2015 Paris climate treaty, the planet's richest concentrations of animal and plant life will be irreversibly ravaged by global warming, scientists ...

NASA buying Moon dust for $1

The US space agency NASA awarded contracts to four companies on Thursday to collect lunar samples for $1 to $15,000, rock-bottom prices that are intended to set a precedent for future exploitation of space resources by the ...

Dimming Sun's rays could ease climate impacts in Africa

Dialling down the Sun's heat a notch by injecting billions of shiny sulphur dioxide particles into the stratosphere could curtail devastating drought across parts of Africa, new peer-reviewed research has reported.

Experts reveal major holes in international ozone treaty

A new paper, co-authored by a University of Sussex scientist, has revealed major holes in an international treaty designed to help repair the ozone layer, putting human health at risk and increasing the speed of climate change.

On Antarctica, humanity's small footprint has big impact

Humanity's accelerating impact on the vast wilderness of Antarctica extends well beyond scientific stations and eco-tourism along its fringes, both in scope and intensity, scientists warned Wednesday.

page 2 from 23