If passed by the full Legislature and signed into law, billion-dollar U.S. companies like Amazon and Apple will have to disclose the full scope of their carbon footprints. California state Sen. Scott Wiener, D-San Francisco, argues in support of his bill SB 260 before Senate Environmental Quality Committee on Monday, April 12. If passed and signed, SB 260 would require large corporations to calculate and disclose every greenhouse gas they emit, either directly or indirectly. SACRAMENTO, Calif. (CN) — In the latest escalation of the state’s climate change fight, California Democrats are attempting expose corporate America’s top polluters by prying into the business schemes of companies like Amazon and Apple.