United Utilities, Environment Agency and local campaigners say 12-mile tunnel could take sewage away from England’s largest lake

Plans are under way for a new giant tunnel to transport sewage away from Windermere, England’s largest lake.

Windermere, in the Lake District, has suffered from widespread raw sewage and bacterial pollution driven by discharges from United Utilities. Campaigners say this pollution has caused more frequent toxic blue-green algal blooms, with the public advised to avoid swimming in the lake.

As glaciers melt and permafrost thaws, Longyearbyen, on the remote Arctic islands of Svalbard, faces climate-induced problems from tap water to housebuilding to landslides

• Heavy metals make Norwegian village’s tap water toxic

On a rugged mountain plateau of snow-dusted rocks, in the remote archipelago of Svalbard, a glaciologist, Andy Hodson, points out the “ears” of ice, white against the rock, that gave Foxfonna glacier its name, after the arctic fox.

The small glacier, on a mountain 8 miles (15km) outside the Norwegian village of Longyearbyen, is a popular summer hike for tourists who come here seeking the Arctic experience.

During a summer fire that destroyed homes in Stourbridge, low pressure meant filling a water carrier took 40 minutes

Concerns have been raised about how drought affects the UK’s ability to cope with wildfires after MPs were told firefighters struggled for water supplies during this year’s record summer.

The government has been urged to set out water companies’ statutory responsibilities during major fire incidents to improve the country’s preparedness for the years ahead.