Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Youth Climate March

"There is no Planet B" Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"This place is about to blow" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"This place is about to blow" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "Yomomma's so hot her ice caps are melting" reads the sign. (Photo by Jeff Malet)

Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "Yomomma's so hot her ice caps are melting" reads the sign. (Photo by Jeff Malet)

Youth Climate March

"The time to act is now" Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"This place is about to blow" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"This place is about to blow" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"the seas are rising - So are we" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"I stand with scientists" reads the shirt. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"This is Zero Hour" reads the banner. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"This is Zero Hour" reads the banner. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"We are the ones we've been waiting for" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "Protest her (the Earth)" reads the sign. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "At least Mar-a-Lago will be under water" reads the sign. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "At least Mar-a-Lago will be under water" reads the sign. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "At least Mar-a-Lago will be under water" reads the sign. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"Times Up" Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"Environmental Justice Now" reads the sign. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

"I stand with scientists" reads the shirt. Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. (Photo by Jeff Malet)

Zero Hour Youth Climate March

Environmental activists assemble for the Zero Hour Youth Climate March on the National Mall in Washington D.C. on Saturday July 21, 2018, kicking off three days of marches and demonstrations to pressure elected officials to "reject the corrupting monetary influence of fossil fuel executives," ban all new dirty energy developments, and safeguard the planet for both its current inhabitants and future generations. "It's my birthday, but this is too important" reads the sign. (Photo by Jeff Malet)