Climate modelling in the 1980s offered the first glimpses of what might lie beyond a nuclear war.

Nuclear weapons production and testing contaminated many sites across the US and exposed people unknowingly to radiation and toxic materials. Some have gone uncompensated for decades.

In June 1972, the first United Nations conference on the human environment coincided with the release of David Bowie’s iconic Ziggy Stardust album. Both still feel disturbingly relevant today

Disinformation is being privatized around the world. This new industry is built on a dangerous combination of cheap labor, high-tech algorithms and emotional national narratives.

The battle between media companies and foreign governments over who controls the news dates back some 150 years, to when European and US wire services dictated the world's headlines.

High-power microwave weapons are useful for disabling electronics. They might also be behind the ailments suffered by US diplomats and CIA agents in Cuba and China.

Many people who participate in disinformation campaigns are unwitting accomplices and much of the information they spread is accurate, which makes it all the harder to identify the campaigns.