Earth’s tipping points could be closer than we think

Complex systems, such as the atmosphere, oceans, and biosphere seek equilibrium. When they are pushed too far out of one equilibrium state, they can flip suddenly into another. Once a transition has happened, it cannot realistically be reversed.

Climate change: IPCC report is ‘code red for humanity’

Human activity is changing the climate in unprecedented and sometimes irreversible ways, says a major UN scientific report. It warns of increasingly extreme heatwaves, droughts, and flooding, and a key temperature limit being broken in just over a decade.

The lost history of the electric car

To every age dogged with pollution, accidents, and congestion, the transport solution for the next generation seems obvious – but the same problems keep coming back.