Climate Change Speeding Up, Smog and Sunshine – CA’s Cleaner Air, and more.

Current climate change has been well underway for decades, but the rate of that change is now going up so fast that people are noticing things like tornados and extreme heat waves are occurring in places where they have rarely been seen before. How greenhouse gases from burning fossil fuels, the loss of reflective ice and snow, and other changes are causing the Earth to retain extra heat energy from the Sun.

Also, decades ago, the Los Angeles basin was often cloaked in a thick blanket of choking smog, but today the skies are comparatively clear. This striking improvement was no accident and is a testament to how scientists, government, and engaged citizens can work together to solve difficult environmental problems. UCLA Environmental Law Professor Ann Carlson reflects on that success as described in her 2026 book, Smog and Sunshine: The Surprising Story of How Los Angeles Cleaned Up Its Air.

And one of the national parks you might visit this summer, or any time of year is Great Sand Dunes National Park and Preserve in Colorado, with the tallest dunes in North America. That’s where Living on Earth Explorer in Residence Mark Seth Lender watched the landscape and a local herd of elk as weather came in.

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