Today we revisit my conversation with Dr. Heïdi Severstre! Dr. Sevestre is a glaciologist. She is a top science communicator, educator and leads expeditions to cold places every year. Her studies have taken her around the world, but now she dedicates her time to science policy, outreach and research.
In this interview, Dr. Sevestre explains how glaciers melting directly affects us all in two ways. The first is that glaciers hold 70% of freshwater reservoirs, which is what we use for everyday water usage. Secondly, when glaciers melt, the sea levels around the world rise. If all the glaciers in the world were to disappear, it would increase sea levels globally by 65 meters or 280 feet. This is important because there are 70 million people living between 0 and 30 feet of elevation. When the ice melts, people will have to adapt and move somewhere else. In order to combat this, we need to burn fewer fossil fuels. The more we burn fossil fuels like coal, gas, etc., the more the planet keeps the heat in and prevents it from going back into space. Our planet keeps getting warmer and has increased by 1.1 degrees Celsius since the pre-industrial revolution. This sounds like a tiny temperature increase, but a 1 degree temperature increase will continually get worse. NASA predicts that if we don’t make changes around the world, the global temperature is on track to rise by 4.5 degrees celsius in 2100.
The key to tackling the climate crisis is to stop using fossil fuels as much as we are today. She suggests educating people on these issues and to calculate your own carbon footprint and water consumption. If everyone makes these slow solutions and shares these solutions with positivity and excitement, we can keep fighting to reduce the carbon footprint and stabilize our planet’s temperature.
Website: Dr. Heïdi Severstre
Instagram: @heidisevestre
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