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Legal lead levels in US tap water may harm people with kidney disease

15 July 2021

Even very low levels of lead in drinking water may be linked to negative health effects in people with advanced kidney disease, a study of people in the US has found

Uber and Lyft operating in US cities linked to rises in car ownership

6 January 2021

When ride-sharing companies including Uber and Lyft begin operating in a city, there is a slight increase in car ownership on average, a study of US urban areas suggests

Wealthy US cities struggle to provide running water for all residents

2 November 2020

Growing levels of income equality in US cities are leaving some residents without running water – even in wealthy metropolitan areas including San Francisco

The first Americans had pet dogs 1000 years earlier than thought

18 June 2018

There were domestic dogs in North America 10,200 years ago, according to a re-examination of an ancient dog skeleton that looks like a small English setter

In big cities even the fish are always rushing around the place

25 May 2018

Two common US fish have evolved different body shapes to help them survive in the fast-moving streams in built-up areas

The volcanic eruption on Hawaii is now making an acidic fog

21 May 2018

As lava from Kilauea plunges into the Pacific Ocean, clouds of hot acidic steam are being blasted off – and the eruption shows no signs of slowing down

Hawaii volcano is causing havoc and will spew lava for days

8 May 2018

The Kilauea volcano is unlikely to erupt explosively, but it will probably keep pumping out devastating lava for many days to come

A mix-up means US air pollution is way worse than thought

30 April 2018

Levels of nitrogen oxides in the air are still falling across the US, but satellite measurements show the reduction has slowed down unexpectedly since 2011