By bizn_fun 
The tech giant is also expanding its footprint in the UK. In September, Alphabet announced it was investing in UK artificial intelligence, committing £5bn to infrastructure and research over the next two years.
Mr Pichai said Alphabet will develop “state of the art” research work in the UK including at its key AI unit DeepMind, based in London.
For the first time, he said Google would “over time” take a step that is being pushed for in government to “train our models” in the UK – a move that cabinet ministers believe would cement the UK as the number three AI “superpower” after the US and China.
“We are committed to investing in the UK in a pretty significant way,” Mr Pichai said.
However, he also warned about the “immense” energy needs of AI, which made up 1.5% of the world’s electricity consumption last year, external, according to the International Energy Agency.
Mr Pichai said action was needed, including in the UK, to develop new sources of energy and scale up energy infrastructure.
“You don’t want to constrain an economy based on energy, and I think that will have consequences,” he said.
He also acknowledged that the intensive energy needs of its expanding AI venture meant there was slippage on the company’s climate targets, but insisted Alphabet still had a target of achieving net zero by 2030 by investing in new energy technologies.
“The rate at which we were hoping to make progress will be impacted,” he said.