In 1987, Nevada’s Yucca Mountain was designated as the place to store America’s nuclear waste. Millions of dollars went into researching the mountain and developing facilities to hold nuclear waste for thousands of years. However, waste has never actually been stored there. Red tape, local officials, environmentalists, and other parties have all managed to place the plans on an indefinite delay. President Trump’s budget calls for reviving the project. Here’s how it would work.