A new study tracking the planet's vital signs has found that many of the key indicators of the global climate crisis are getting worse and either approaching, or exceeding, key tipping points as the Earth heats up.
Salmon in the Columbia River were nearly roasted to death when water temperatures rose during the Pacific north-west's record-shattering heatwave, according to a conservation group that has documented the disturbing sight.
Huge pyrocumulonimbus clouds just formed over fires in the West. These clouds can then advance across the landscape, sparking new wildfires as they go. Here's why they could become more common on a warmer planet.