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In Reykjavik, Iceland, a Climeworks factory located at the back of a power plant draws in ambient air and releases it as largely purified CO2 through ventilators. Halldor Kolbeins/AFP

Forget net-zero: to halt global heating, aim for net-negative

New research suggests it will be next to impossible to limit global warming to safe levels without relying on technologies to directly remove carbon from the air.
Smartphone, ordinateur, tablette… Les écrans sont désormais partout. MandriaPix/Shutterstock

Is screen addiction real and if so, how widespread is it?

Screen addiction is already a household term, but is there any scientific basis for this phenomenon? We take a look at the methods used to measure it and its actual hold on the population.
The Internet is anything but immaterial, as all those messages, images, and videos live in data centres, which consume immense amounts of energy. Rawpixel

Could video streaming be as bad for the climate as driving a car? Calculating Internet’s hidden carbon footprint

The energy consumption of Internet use has multiplied by a thousand-fold in 20 years. So how can we better visualise our energy ‘spending’ and reduce carbon emissions?
Pavel Koubek / Unión Europea / Flickr

These are the implications of the latest wave of mega-fires for the European Green Deal

In a new study, the authors discuss the role that poor forest management in protected areas, commercial plantations and fuel condition play in the spread of fire.
France’s Convention for the Climate, held from 2019 to 2020, brought together 150 randomly selected citizens and asked them define measures to reduce the country’s greenhouse gas emissions by at least 40% by 2030 compared to 1990. Katrin Baumann/CCC

Citizen assemblies and the challenges of democratic equality

Decision-making bodies created by random selection, citizens’ assemblies are creating a sense of optimism about democracy among those who have heard about or taken part in them.
General view of the site with hominid footprints on the beach of Matalascañas, Huelva (Spain). E. Mayoral

Recently found ‘Neanderthal footprints’ in the South of Spain could be 275,000 years old

The first Neanderthal footprints from the Iberian Peninsula discovered last year may have belonged to other members of the genus ‘Homo’.
Many mobile applications are now focused on the geographical tracking of young people within the family circle. Shutterstock

Geo-tracking apps: how are parent-child relations bearing up?

For some parents, apps offer a practical way of keeping tabs on one’s family. But many children and teenagers experience it is as unwelcome surveillance.

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