More than 3,000 high-temperature records broken -- 327 consecutive months in which global temperatures exceeded the 20th century average -- relentless severe storms, record floods and wildfires around the world ["Global warming evidence flawed," Letters, Aug. 6]. Yes, such events have occurred in the past, but not like this.
So what are we doing about this dire situation? Fossil-fuel companies are prospecting for more gas and oil to burn. Like lemmings we are racing toward the edge of the cliff.
We need a rapid transformative change -- a movement -- demanded by people worldwide motivated by moral outrage. What happens in the United States can influence other countries where emissions are growing the fastest. Changing our energy sources and halting climate change is the greatest challenge humans have ever faced. We have no time to waste.
Editor's note: The writer is a conservation scientist.