Scientists project that 2024 will be the hottest year on record, with an unprecedented rate of warming undeniably tied to human-induced carbon emissions. Climate change skeptics continue to use social ...

For a long time, many climate scientists and advocates held onto an optimistic belief: when the impacts of global warming became undeniable, people and governments would finally act decisively.

In 2015, nearly 200 countries adopted the Paris Agreement, the first global pact to fight climate change. Here's a comparison of then and now — in terms of the state of the climate, the way we live ...