Buffett said on CNBC today that he hasn't made any change in the way he calculates the likelihood of a catastrophe because of climate change.
Berkshire Hathaway Inc. Owns several insurance and reinsurance funds and often has to pay significant claims when natural disasters strike.
Buffett says insuring against hurricanes in the United States has been extremely profitable in the past five years because few storms have made landfall.
Berkshire's chairman and CEO recounted the performance of the Omaha, Neb., based conglomerate in his annual letter Saturday.
