A Japanese government website crashed Wednesday as people raced to take up an offer of a half-price McDonald's hamburger in exchange for pledging to fight global warming.
The Japanese unit of the US burger giant Tuesday offered a Big Mac for 150 yen (1.3 dollars), about half the normal price, to anyone demonstrating a commitment to preventing climate change.
McDonald's is one of more than 80 companies offering goods or other prizes to help the government's drive to reduce greenhouse gases.
