Letter: It is time to act on climate change

I recently returned from a three-week work-related trip to Europe. It was encouraging to see steps being taken there to mitigate the effects of climate change.National governments are passing fossil fuel cap-and-trade laws. In Germany, mile after mile of solar panel arrays flank freeways. In Amsterdam, bicycling is not just a sport. It’s also a free, healthful and environmentally friendly means of commuting to work. One of the days I was in Paris was car-free to celebrate the Paris Agreeme