Direct air capture: a fan, a filter and a lot of heat
A plant blows air past a material that grabs carbon dioxide, then heats it to get the gas back out. NIST and the BBC explain both main designs.
tag archive
#climate-change.
Every story tagged #climate-change.
Carbon capture buries a sliver of the CO2 the world emits
Carbon capture and storage takes about 45 million tonnes of CO2 a year, the BBC reports, against emissions above 40 billion. Britain regulates the pipes.
Architects are building thick walls and deep windows again
Sunlight through glass is usually a home's main summer heat source, says the Passivhaus Trust. Some architects now answer with heavy walls and deep windows.
The first treaty every country ratified is mending the ozone
The 1987 Montreal Protocol cut the chlorine reaching the stratosphere and put the ozone layer on course to heal by mid-century, by UN assessment.
The largest mangrove forest on Earth is shrinking in Bangladesh
The Sundarbans shields millions of people in Bangladesh from cyclones and storm surges. Rising seas are swallowing parts of it, and salt adds strain.
Maasbommel's Dutch houses ride floods on concrete boxes
At Maasbommel in the Netherlands, amphibious houses sit on hollow concrete boxes that float up guide posts when the River Maas rises, by up to four metres.
India falls to 23rd in the Climate Change Performance Index
India dropped 13 places in the 2026 Climate Change Performance Index, from 10th to 23rd, as its emissions rose and it set no date to phase out coal.
The UK's Climate Change Act binds ministers to net zero by 2050
The 2008 Act made net zero by 2050 a legal duty for UK ministers, with five-year carbon budgets. The UK met the first three but is off track for the next two.
India's electric car sales cross the 5% mark
Electric cars now take more than 5% of India's car sales, pushed by rising fuel prices and a tougher emissions rule due in April 2027.
Why a heat dome set all-time records in Montana and Utah
Billings reached 111F and Salt Lake City 109F in July 2026. A heat dome is high pressure that stalls for days, pushing air down until it warms.
Air conditioning harms the climate through power and gas
Air conditioning warms the planet twice, through the power it draws and the gas inside it. The UN's Mark Radka puts cooling at 7% of global emissions.
Lake Chad has lost nine-tenths of its water since the 1960s
Sahel drought and rising irrigation demand cut Lake Chad to a tenth of its 1960s size. A two-year study found the shrinking stopped decades ago.