“Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people in poor countries, it's less than one ton. It's an average of about five tons for everyone on the planet. And, somehow, we have to make changes that will bring that down to zero.”

American entrepreneur and philanthropist of the late 20th and early 21st centuries, Gates co-founded Microsoft and became one of the world’s most influential figures in technology and business. He is known for his visionary leadership in software development and his later work through the Bill & Melinda Gates Foundation, focusing on global health, education, and poverty alleviation.