What are some current threats to the tundra biome?

Learn about what threatens these harsh lands and what you can do to help. ... Many scientists believe global warming caused by greenhouse gases may eliminate Arctic regions, including the tundras there, forever. ... Air pollution can cause smog clouds that contaminate lichen, a significant food source for many animals. read more

Although there are no large populations of people living in the tundra they still readily pose a threat to the biome. Air pollution from cities at low latitudes accumulates at the high latitudes. There are many natural resources located in or under the tundra such as natural gas and oil. read more

Oil spills can kill wildlife and significantly damage tundra ecosystems. Buildings and roads put heat and pressure on the permafrost, causing it to melt. Invasive species push aside native vegetation and reduce diversity of plant cover. read more

Climate change. The tundra is receding in particular areas at unprecented rates. An interesting tundra recession is going on in Siberia, but it is mainly due to methane deposits below that are starting to break through. read more