LEVERKUSEN, Germany--(BUSINESS WIRE)--For the third time in a row, Bayer has been included in the Climate Disclosure Leadership Index, the first international climate protection index, with the classification “Best in Class.” This year, Bayer received this commendation as the only German-based company in the chemical sector. Independent experts ranked the world’s 500 largest, listed companies. This was announced by the Carbon Disclosure Project (CDP) investor group in New York.