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By Shuchi Talati
Solar geoengineering describes a set of approaches that would reflect sunlight to cool the planet. The most prevalent of these approaches entails mimicking volcanic eruptions by releasing aerosols (tiny particles) into the upper atmosphere to reduce global temperatures — a method that comes with immense uncertainty and risk. We don't yet know how it will affect regional weather patterns, and in turn its geopolitical consequences. One way we can attempt to understand potential outcomes is through models.
By Shana Udvardy
After a dearth of action on climate change and a record year of extreme events in 2017, the inclusion of climate change policies within the annual legislation Congress considers to outline its defense spending priorities (the National Defense Authorization Act) for fiscal year 2018 was welcome progress. House and Senate leaders pushed to include language that mandated that the Department of Defense (DoD) incorporate climate change in their facility planning (see more on what this section of the bill does here and here) as well as issue a report on the impacts of climate change on military installations. Unfortunately, what DoD produced fell far short of what was mandated.
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By Brenda Ekwurzel
Climate change can also bring extreme cold. Here are three things we think people need to know about Winter Storm Jayden, the latest polar vortex to engulf the country and climate change.
By Erika Spanger-Siegfried
We're stepping into a new year in the climate fight. The turning of the year is a milestone both for stoking our resolve, and for noting how deep we now are into climate overtime. In 2018 there was a lot of talk of diminishing odds and despair, and not without reason. So if, like me, you're heading into 2019 discouraged or even despairing, I have three things to say: you're not wrong; the fight from here on out is not the one you signed up for; but there's more to hope, even your own, than meets the eye.
By Kristina Dahl
It's been a tough year for those of us in the climate change community. Each week has seemed to bring either a fresh report reminding us of how precious little time we have left to try to turn this ship around or a disaster that has climate change's fingerprints all over it. Friends, family, colleagues and reporters have all asked whether I'm optimistic or hopeful about our ability to limit the severity of future climate change. And I'll be honest: I'm not. But that doesn't mean we should give up—in fact that would be among the worst things we could do. Rather, we need to hold fiercely to a vision of the future we want to see and work like hell to make it a reality.
By Jeff Deyette
Despite the Trump administration's ongoing attempts to prop up coal and undermine renewables—at FERC, EPA and through tariffs and the budget process—2018 should instead be remembered for the surge in momentum toward a clean energy economy. Here are nine storylines that caught my attention this past year and help illustrate the unstoppable advancement of renewable energy and other modern grid technologies.
By Brenda Ekwurzel
Before we dive into the science behind the four factors specific to the California Santa Ana winds, let's review the current situation in California and wildfire disaster risks in general.
By Elliott Negin
The steady parade of unqualified, ideologically driven appointees for key Trump administration positions has resumed now that things in Washington have settled down after the mid-term elections. Last week, Trump tapped Matthew G. Whitaker to replace Attorney General Jeff Sessions. This Thursday, the Senate will hold a hearing to confirm attorney Bernard McNamee to fill a vacancy at the five-member, presidentially appointed Federal Energy Regulatory Commission (FERC), a relatively obscure—but critically important—independent agency that oversees interstate power lines and pipelines.
By Don Anair
Gov. Brown signed several pieces of legislation this year on clean energy and transportation and one of those, signed on a boat in San Francisco bay on a windy afternoon, was squarely aimed at ensuring ride-hailing companies contribute to California's climate efforts.
The California Clean Miles Standard and Incentive Program (SB 1014 authored by Sen. Skinner) brings ride-hailing companies into the climate solutions fold by establishing decreasing climate emissions targets (yet to be determined) for companies like Uber and Lyft. This ground-breaking legislation is the first of its kind, and sets an important example for how the increasingly popular transportation option of ride-hailing can help accelerate emission reductions from transportation, rather than exacerbate them.