As President Donald Trump and Congress continue to wrangle over funding for a border wall and the overall 2019 budget, the federal government remains shutdown since December 22, 2018, making it the longest furlough of large numbers of government employees in U.S. history.

While politicians in Washington haggle over long and short-term budgets, the stoppage of many functions of government reverberate across the country. Here's a look at some of the key impacts that relate to the environment:

National parks have been hit hard by the government shutdown. In some large parks like Joshua Tree and Yosemite, visitors have reported human waste from overflowed toilets and piles of strewn trash. The National Parks Conservation Association says parks have also been impacted