I believe that sport actors can raise awareness and influence participants and fans to use new practices to avoid climate change like carbon literacy...
Athletes and sports organizations can participate in actions or support foundations in favor of the environment, such as the Good Planet Foundation created by Yann Artus Bertrand which highlights the social responsibility of each company.
The environmental impacts of sport are mainly at the level of carbon footprint and waste management.
In addition, every sports events involves many trips that have a negative impact on the carbon footprint.