SAO PAULO — When Xing Yanling posted on WeChat about her visit to the Brazilian Amazon in April, she described the unforgettable sensation of being "enveloped by tens of thousands
'It cuts both ways': Positive tipping points can restore wreaked ecosystems — we just need to trigger them, Earth system scientist Tim Lenton says
Live Science spoke with Tim Lenton, founding director of the Global Systems Institute at the University of Exeter, about human actions that can trigger positive, self-propelling changes in nature.
