Many companies are helping with climate change by reducing their carbon footprint. Some of the ways they are doing this is by using renewable energy, investing in energy efficiency, and reducing waste.
Here are some specific examples:
-Apple is powering all of their facilities with 100% renewable energy.
-Google is investing $2.5 billion in renewable energy.
-IKEA is aiming to be completely powered by renewable energy by 2020.
-Walmart is working to increase energy efficiency in their stores and distribution centers.
You can find a more comprehensive list of companies taking action on climate change here:
https://www.climateaction.org/companies-taking-action-to-prevent-climate-change/