ナショナルジオグラフィックさんのインスタグラム写真 - (ナショナルジオグラフィックInstagram)「Photo by @james_balog | Harnessing fire was a breakthrough in human evolution. Now it is once again out of our control. The cost of fighting U.S. wildfires topped $2 billion in 2017. The annual number of large fires (>1,000 acres) in America has tripled since the 1970s, and today’s wildfires burn six times more land area per year than they did four decades ago. A California firefighter told me during my time shooting the Soberanes Fire for my latest documentary: “It’s fire season pretty much year-round.” Human activities–fire suppression tactics, our contributions to climate change, and housing developments in wildfire territories–make us unwitting sparks. Ignorantia juris non excusat: Ignorance of the laws of nature does not protect you from them. Follow my work @james_balog.」3月16日 15時03分