It’s called “green washing.” A corporation wants to polute, but also wants to avoid penalties and backlash from the community. It therefore makes token efforts to protect the environment, and trumpets those feeble programs until they appear huge.
According to the Guardian:
“An analysis of 28 Standard & Poor 500 publicly traded companies by researchers from the Union of Concerned Scientists exposed a sharp disconnect in some cases between PR message and less visible activities, with companies quietly lobbying against climate policy or funding groups which work to discredit climate science.”