President Joe Biden on Wednesday is announcing more than $2.9 billion in new assistance from the U.S. government to address global food insecurity, building on the $6.9 billion in American aid already committed this year, according to the White House.

“The compounding impacts of the pandemic, the deepening climate crisis, rising energy and fertilizer costs, and protracted conflicts — including Russia’s invasion of Ukraine — have disrupted global supply chains and dramatically increased global food prices,” the White House said in a statement released ahead of Biden’s speech before the U.N. General Assembly in New York City, where the president is also expected to rebuke Russia over its invasion of Ukraine.