It says about 60 percent of 85,000 women and girls killed in 2023 were by an intimate partner or a family member.
Vulnerable nations are seeking $1.3 trillion to deal with damage from climate change and to adapt to that change.
The warning comes days before nations are due to gather for crunch climate talks led by the UN.
Lancet report says average person experienced 50 more days of dangerous temperatures than normal due to climate crisis.