CALIFORNIA POWERS AHEAD IN THE FIGHT AGAINST CLIMATE CHANGE

We need all the good news we can find these days, and California has just handed us a climate-change bouquet.

On August 28, 2018, the legislature passed a bill that requires 100 percent carbon-free electricity in the state by 2045. This massive change in the way power is produced in or imported to California will keep 70 million metric tons of greenhouse gases from being spewed into the atmosphere every year, equivalent to taking 12 million cars off the road.

California Wind Farm
a rapidly growing source of clean power

Credit: Creative Commons Zero; Max Pixel

If Governor Brown signs the bill into law, as expected, California will become the largest economy in the world to commit to 100% carbon neutral electricity before mid-century. (Yes! Governor Brown signed the bill into law on September 10, 2018).

Of course, much more than this is needed for the world to meet the goals of the Paris Climate Agreement and keep global temperatures no more than 1.5 or at most 2.0 degrees C (2.7/3.6 degrees F) above pre-industrial levels. Still, it's a giant step in the right direction, and one that we hope many more states, cities, countries, companies and industries will follow--and the sooner the better.

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You can find the text of California Senate Bill 100 here.

SOME GOOD (CLIMATE) NEWS TO FINISH THE YEAR

AUSTRALIA CAN MEET ITS 2030 PARIS CLIMATE PLEDGE FOR FREE

Australia made a bold pledge when it signed the 2015 Paris Climate Agreement -- to cut its greenhouse gas emissions by 26 - 28 percent by 3030. A new study by the Australian National University (ANU) shows that because of the rapidly falling cost of renewable energy, Australia can meet that goal at zero net cost.

 Sundrop Farms, Port Augusta, South Australia

Credit: Sundrop Farms

As anyone who has spent time in Australia knows, the country has abundant solar and wind potential. The ANU researchers note that these renewable energy sources will reach grid parity -- that is, they'll be no more costly than electricity on Australia's current national grid -- by 2020 (and cheaper soon after that). As a result, phasing out existing coal- and gas-fired generating plants and replacing them with renewable sources will actually save money.

Even when the researchers added in the costs of new pumped hydro storage and new long-distance power lines to ensure adequate electricity at night or during low-wind periods, the net cost still turns out to be zero.

Lower level of Tumut 3 Pumped Hydropower Station, NSW, Australia/Credit: CMH at English Wikipedia

“The cost of renewables includes stabilising the electricity grid with energy storage and stronger interstate powerlines to ensure that the grid continues to be reliable,” says Andrew Blakers, at the ANU Research School of Engineering. "Our study shows that we can make the switch to affordable and reliable clean power."

Kudos to Australia for its vision and willingness to move rapidly in this vitally necessary direction. With the cost of renewable energy plummeting worldwide, Australia can serve as a bellwether for the rest of the world.

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"A HARD RAIN'S A GONNA FALL . . ."

. . . to quote a recent Nobel Prize winner.

We'll no doubt be dealing with the fallout from the election of Donald Trump for many years, if not decades. One of the first, and possibly one of the worst impacts of his presidency may be an about-face by the US concerning greenhouse gas emissions and climate change.

The Paris Climate Agreement may soon be jettisoned by Trump
Credit: UN

Writing in New Scientist, editor Michael Le Page points out that if Trump follows through on his campaign promises, he's likely to derail the fledgling Paris Climate agreement, which will lock the world into at least 3 degrees C of warming, well beyond what scientists tell us is safe.

You can read his commentary here.

And a more in-depth analysis from the Guardian here.

And a piece reaching the same conclusion from the New York Times.

You can read another post about what to expect after Trump's inauguration here.

You get the idea.