"Companies are finding more environmentally friendly ways to make cement, which accounts for about a twelfth of global carbon dioxide emissions, making it worse for the climate than flying. Now they have to convince builders that their climate-friendly cement will hold just as well as the conventional stuff."

"Natural gas, long seen as a cleaner alternative to coal and an important tool in the fight to slow global warming, can be just as harmful to the climate, a new study has concluded, unless companies can all but eliminate the leaks that plague its use."

"Republicans on Thursday accused John Kerry, President Biden’s special envoy for climate, of being soft on China as he prepared to travel to Beijing to restart discussions between the world’s top two polluting countries."

"In cities around the world, anti-bird spikes are used to protect statues and balconies from unwanted birds - but now, it appears the birds are getting their own back. Dutch researchers have found that some birds use the spikes as weapons around their nests - using them to keep pests away in the same way that humans do."

"Countries at this year's U.N. climate summit must face up to how far behind they are lagging on climate change targets and agree a plan to get on track, the United Arab Emirates' incoming president of the event said on Thursday."