Earth and Human Activity
- Climate
A bold plan to save the planet turns carbon dioxide into stone
Scientists hope that capturing carbon dioxide this way will limit both further warming of our planet and an escalation of extreme weather events.
- Climate
UN report calls for two-pronged approach to slow climate impacts
The latest IPCC climate change report underscores an urgent need for action to avoid the worst consequences of global warming.
- Chemistry
A disinfectant made from sawdust knocks out deadly microbes
It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.
- Climate
Satellites find big climate threats — ultra-emitters of methane
Eyes in the sky show many of the worst methane emitters are in countries that produce a lot of oil and gas, such as Russia and the United States.
- Earth
Let’s learn about Earth’s secret stash of underground water
Groundwater provides drinking water to billions of people and is used to water crops worldwide.
- Chemistry
New process can transform urban CO2 pollution into a resource
Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.
- Science & Society
Explainer: What is an endangered species?
Threats such as climate change and habitat loss can put species at risk of going extinct. Different words describe that risk.
- Climate
Nuevo informe de la ONU sobre el clima: no hay tiempo que perder
En el informe de la ONU se vinculan directamente las temperaturas extremas, lluvias e incendios en todo el mundo con el clima cambiante de la Tierra.
- Earth
El volcán de Santorini erupciona más cuando baja el nivel del mar
Los datos que demuestran esta relación entre las erupciones de este volcán griego y el nivel del mar se remontan al menos a 360,000 años.
- Tech
Space trash could kill satellites, space stations — and astronauts
As private companies prepare to sprinkle space with tens of thousands of satellites, experts worry about the mushrooming threat of space junk.
- Climate
World’s oceans have warmed to a ‘point of no return’
More than half the global ocean sees temperature extremes that 100 years ago were rare.
- Environment
‘Mining’ cryptocurrencies pollutes the real world
Bitcoin and other cryptocurrencies exist only online. Yet the environmental impacts of their networks affect the real world.
