Editor's note

Climate scientists say it will be tough to keep global warming below 1.5℃, according to a major new UN report. Indeed, with the planet warming by roughly 0.2℃ per decade, we will probably hit that point by about 2040. Defining exactly when climate change becomes dangerous is difficult and contentious, but Keith Shine, a Regius professor of climate science explains why 1.5℃ matters to scientists.

The economics Nobel – technically the Sveriges Riksbank Prize – has gone to Paul Romer and William Nordhaus. Sergey Popov explains how both made massive contributions to the way that economists think about economic growth and why it’s so important that this growth is sustainable. It marks the end of this year’s Nobel prize season, which has once again been dominated by white faces – something Winston Morgan points out is bad for equality and society as a whole.

After winning the first round of the Brazilian presidential election, “homophobic, misogynist, racist” far right candidate Jair Bolsonaro now looks set to win the second round, too. So can he be stopped? Courtney J Campbell argues that Brazil could still be saved from a return to the dark days of military dictatorship by its poorest region – the politically charged, and traditionally leftist, northeast.

Will de Freitas

Environment + Energy Editor

Top stories

elRoce / shutterstock

IPCC 1.5℃ report: here’s what the climate science says

Keith Shine, University of Reading

Limiting human-induced warming will be tough, given where we start from.

Paul Romer (L) and William Nordhaus (R) have been awarded the 2018 Sveriges Riksbank Prize in Economic Sciences. EPA-EFE

Paul Romer and William Nordhaus – why they won the 2018 ‘economics Nobel’

Sergey V. Popov, Cardiff University

Paul Romer and William Nordhaus both developed the field of economic growth.

Black scientists lack role models who look like them. pathdoc/Shutterstock

No black scientist has ever won a Nobel – that’s bad for science, and bad for society

Winston Morgan, University of East London

We need action if black scientists are ever to receive the highest level of recognition.

Bolsonaro: a vote for fascism? EPA Images

Brazil: can its poorest region call a halt to Jair Bolsonaro’s dangerous politics?

Courtney J. Campbell, University of Birmingham

Brazil could see a return to the dark days of the military dictatorship.

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