There has been a 68 percent increase in heat wave-related deaths over a roughly 20-year period since 2000, with climate change also contributing to serious food shortages in many countries, a study by an international team of researchers has shown.Calling for an urgent shift to renewable energy, the international team of researchers criticized governments and corporations around the world for prioritizing the use of fossil fuels over human health.The study, published in British medical journal The Lancet on Oct. 25, came ahead of the COP 27 U.N. climate conference, slated to be held in Egyp…READ FULL ARTICLE