Posts in tag

planet


Image copyright Jeff Overs From Greta Thunberg to Donald Trump and airlines to oil companies, everyone is suddenly going crazy for trees. The UK government has pledged to plant millions a year while other countries have schemes running into billions. But are these grand ambitions achievable? How much carbon dioxide do trees really pull in …

Image copyright NASA/JHUAPL/SWRI/Roman Tkachenko Image caption The Kuiper belt object Arrokoth is a pristine remnant of planet formation in action Scientists say they have “decisively” overturned the prevailing theory of how planets in our Solar System formed. The established view is that material violently crashed together to form ever larger clumps until they became worlds. …

Image caption Sir David calls on humans to become “a force for good” to preserve the planet Sir David Attenborough is to present a new five-part series based on how natural forces – including oceans and volcanoes – allow the planet to thrive. A Perfect Planet will show how wild animals such as white wolves …

Image copyright Ben cukier As far as impressing your potential new boss goes, discovering a planet on day three of your internship at NASA is up there. That’s what happened to 17-year-old Wolf Cukier while helping out at the space agency in the United States. He was checking images from its super-strength satellite when he …

An artist’s impression of an exoplanet in the habitable zone around a star. Credits: ESA/Hubble, M. Kornmesser A few months ago a group of NASA exoplanet astronomers, who are in the business of discovering planets around other stars, called me into a secret meeting to tell me about a planet that had captured their interest. …

The burning of coal is a huge driver of climate change but it’s also estimated that coal mining employs around six million people worldwide and is the lynch-pin of many communities. Sharan Burrow wants to find alternative livelihoods and therefore help protect our climate. It’s being called the “Just Transition”. The BBC’s Maryam Moshiri met …

Scientists are looking at what would happen if we were to dig up the ocean floor for metals. They’re particularly interested in cobalt, which is a prime ingredient of the rechargeable batteries found in phones and electric cars. As more and more of us choose to move away from fossil fuels, the demand for cobalt …

Image copyright NASA Image caption Mercury appears in silhouette against the bright surface of the Sun Mercury is making a rare transit, where the planet passes across the face of the Sun as seen from Earth. During the transit, Mercury appears as a dark silhouetted disc against the bright surface of our star. There are …

Durwood Zaelke’s eye for an environmental “quick fix” has arguably saved the world half a degree Celsius of warming. The environmental lawyer is the little-known driving force behind a key amendment to what’s been called the most successful climate treaty ever. The BBC’s Hannah Long-Higgins meets him and finds that there are deeply personal reasons …

A British Airways whistleblower has revealed an industry-wide practice that deliberately adds weight to flights, increasing greenhouse gas emissions. “Fuel tankering” sees planes filled with extra fuel, usually to avoid paying higher prices for refuelling at their destination airports. It could mean extra annual emissions equivalent to that of a large town. BA said it …