GREENHOUSE GASES
CO : Atmospheric levels have 2 risen by 45% since 1850. METHANE: Increased by 150% in the last 250 years. OZONE: Exhaust and factory smoke has made this unhealthy gas settle near Earth's surface.
CO : Atmospheric levels have 2 risen by 45% since 1850. METHANE: Increased by 150% in the last 250 years. OZONE: Exhaust and factory smoke has made this unhealthy gas settle near Earth's surface.