The Agriculture Department provides nearly $6 billion annually for land, water and wildlife conservation on farms. President Trump's 2019 budget drastically reduces funds for these programs.
Healthy soil teems with bacteria, fungi, viruses and other microorganisms that help store carbon and fend off plant diseases. To restore soil, scientists are finding ways to foster its microbiome.
Demonstration farms are a key way in which new knowledge can be transferred to farmers around the world.
Pollution has increased carbon in our soils - which is good for climate change. But this carbon may not stay there for long.