A group of Senate Democrats signed a letter Friday supporting a massive climate change march in New York City.
The march, which will be held Sept. 21, is meant to bring attention to climate change and show the global leaders attending a summit on the issue that people want action.
More than 200,000 people are expected to participate in the march, according to the Sierra Club.
"Although we cannot all be with you, we want you to know that your participation sends a strong signal to the U.S. Congress and leaders around the globe about the need for action to protect our communities and families from the impacts of climate change," the senators wrote in Friday's letter, which will be read to those attending the march on Sunday.
Democratic Sens. Barbara BoxerBarbara Levy BoxerFormer California senator prods Feinstein to consider retirement Trump decries 'defund the police' after Boxer attacked Former Sen. Barbara Boxer attacked in California MORE (Calif.) and Sheldon WhitehouseSheldon WhitehouseDemocrats draw red lines in spending fight What Republicans should demand in exchange for raising the debt ceiling Climate hawks pressure Biden to replace Fed chair MORE (R.I.) spearheaded the letter. Other signatories include Sens. Maria CantwellMaria Elaine CantwellLooking to the past to secure America's clean energy future Democrats demand more action from feds on unruly airline passengers Delta variant's spread hampers Labor Day air travel, industry recovery MORE (Wash.), Chris CoonsChris Andrew CoonsDems punch back over GOP holdup of Biden SBA nominee Biden threatens more sanctions on Ethiopia, Eritrea over Tigray conflict Senate Democrats to Garland: 'It's time to end the federal death penalty' MORE (Del.), and Elizabeth WarrenElizabeth WarrenIn Washington, the road almost never taken Senate poised to battle over Biden's pick of big bank critic Treasury says more rental aid is reaching tenants, preventing evictions MORE (Mass.).
"Climate change deniers need to pull their heads out of the sand and stop obstructing efforts to address climate change," the letter states.