Enjoying the clean air? Trump weakens car emissions standards just when we need them the most

Walk outside, look at the sky and take a deep breath. The air right now across much of Southern California, the country and even the world is sparklingly clear and clean compared with just a few weeks ago. The change is especially noticeable in cities that are normally choked by vehicle exhaust, like Los Angeles. What’s more, it’s not just the smog, but also the greenhouse gas emissions fueling global climate change that have decreased with the temporary slowdown in burning fossil fuels.