>Is a single individual capable of doing all the necessary research to decide whether the earth's climate is heating up and what should be done about it? How would a single person go about collecting climate data from throughout the world, not to mention obtaining reliable records from past centuries?
sure, but that single individual is capable of pointing out that putting a temperature sensor in an asphalt parking lot is going to skew your data
you don't need to be a michelin chef to point out someone's cooking is shit