SAN JOSE, Calif. — Silicon Valley venture capitalist John Doerr, an early investor in Google, Amazon and other leading tech companies, and his wife, Ann, have agreed to donate $1.1 billion to Stanford University to set up a new school devoted to the study of climate change and its solutions. The gift, announced Wednesday, is the largest in Stanford history. It ranks as the second-largest donation to any university in American history, behind $1.8 billion that former New York City Mayor Michael Bloomberg gave to his alma mater, Johns Hopkins University, in 2018. The school is expected to propel…