Asset managers oversee assets worth 10 trillion pounds ($12.35 trillion), with nearly half having integrated ESG into the investment process, the paper said.
"This will support the quality of standards, labels and disclosures used in the industry for green finance activity," the ministry said in a statement.
"The government proposes that nuclear - as a key technology within our pathways to reach net zero - will be included within the UK’s Green Taxonomy, subject to consultation."
In the fourth quarter, Britain will also consult on requirements for the largest companies to disclose their transition plans to net zero carbon emissions, if they have one, the ministry said.
Brendan Curry, policy fellow at the Grantham Research Institute on Climate Change, said the updated strategy has "failed to deliver" a clear roadmap for the annual investment needed for net zero.