The polar regions are some of the most pristine and remote parts of the world, but they are now being threatened by climate change. New research has revealed the potential of using DNA ‘footprints’ in order to track the impact of climate change on these fragile ecosystems. Scientists have identified certain species of plants and animals that are particularly sensitive to climate change, and by tracking their DNA, they can get a better understanding of how the climate is affecting their populations. This information can then be used to develop conservation strategies to protect these species and their habitats.

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source: Phys.org