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Spraying fertiliser on wheat

Earth

A loaf of bread emits half a kilo of CO₂, mainly from fertiliser

Fertiliser use accounts for 40 per cent of greenhouse gases emitted to make bread, and bread production accounts for half a per cent of all UK emissions

News

Scientists in lab coats working on a large piece of equipment

Humans

As Brexit looms, a soundbite strategy for UK science won't do

Comment

scott pruitt

Earth

Alarm as climate sceptic named head of US environment agency

News

protest

Life

US scientists voice fears over how science will fare under Trump

News

Donald Trump

Health

Trump may be very flawed but that doesn't make him mentally ill

Comment

bison

Life

Slaughter of an American icon: The Yellowstone buffalo cull

Features

A nurse using the SEND medical app that sends early warning alerts based on patients' vital signs

Technology

NHS to start prescribing health apps that help manage conditions

News

Science protest

Humans

Science stood apart from politics for a long time, not any more

Comment

protest

Humans

More than 100 tech firms sign letter opposing Trump travel ban

News

Senator Sheldon Whitehouse questions Oklahoma Attorney General Scott Pruitt

Earth

US conservative bill aims to axe EPA – here’s why it won’t work

The bill is latest in a series of signals that the US Environmental Protection Agency will be reined in under President Trump, but it might not end it just yet

News

Humans

A painful reminder for Donald Trump of why torture is pointless

Comment

Health

What Trump's US Supreme Court pick means for women's health

Comment

Humans

Trump’s travel ban is already stopping scientific collaboration

News

Earth

US scientists can look to Canada for ways to fight a crackdown

Analysis