The six-wheeled robot is ready to make the hazardous descent to the surface of the Red Planet.
In a speech ahead of the COP26 event, Alok Sharma will say the coal business is "going up in smoke".
The benefits of hydrogen-powered heating have been overplayed, say environmentalists.
A total of 1,300 oysters have been suspended in the water as part of a restoration project.
"Frequent releases" of sewage create microplastic hotspots in UK rivers.
The EPA says for the first time that climate change is being driven at least in part by humans.
The vaquita marina in Mexico is threatened by a clash of interests between fishing and conservation.
At 170m long, "Florence" is the largest ever tunnelling machine to be used on a UK rail project.
A wide-ranging plan to improve welfare also enshrines in UK law that animals can feel pain.