Over a thousand fires are still raging across Canada, but other signs of a rapidly warming climate are showing up, including record ocean warmth and longer, stronger heatwaves across the planet. Here are the 5 trends that may show a climate tipping point.
Meteorologists are seeing things they never thought they would see, like water temperatures approaching 100 degrees and heat indices over 150 degrees - all symptoms of a warming climate
Weather extremes are trending more extreme over time, and current wildfires and smoke can be traced back to a statistically rare heatwave over Canada last month.