In China, where any hint of protest is viewed with suspicion, one teenager is trying to draw attention to the dangers human development poses to the world.
The 1999 WTO protests shut down Seattle and brought new attention to the effects of global trade. The event looms large in the activist imagination today.
Scientists have a "moral duty" to partake in environmental movements such as the Extinction Rebellion and the Global Climate Strike, a pair of ecologists argues.
On September 20, people around the world will stop work to focus attention on the climate crisis. To support them, many businesses are shutting down or giving workers time off to protest.
