People talking rubbish about the climate, the environment, nature, or sustainability often makes us want to contradict them, but that is most often futile, and there is a better way to approach it.
If someone tells you that offshore wind turbines kill whales, tell them that wind energy adds billions to the world economy. That’s called a by-pass.
This works for several reasons. Firstly, if the person was in doubt about the information and was open to correction, they would most likely have phrased it differently, so you have avoided an argument. Secondly, it is unlikely there is anything you can say to change their mind. Thirdly, by giving them positive information about the subject, they can keep their original belief but just deprioritise it to a “necessary evil”, taking on board the useful information you gave them.