A new study finds that plastic pollution is not just a problem for the world’s oceans. It’s everywhere – including in the air , where tiny fragments known as microplastics can be carried by wind and rain to places as remote as national parks and wilderness areas. The study, published earlier this month in the journal, Science , says more than 1,000 tons of it per year are landing in protected areas of the Western United States. It’s also possible that some of the microplastics come from visitors