2015 State of the Climate: Carbon Dioxide

Carbon Emissions Spike in 13 States Despite New Climate Policies

Energies, Free Full-Text

Does the air become noticeably fresher in the spring/summer when the leaves bloom since they make oxygen? - Quora

The state of our climate 2022

2015 State of the Climate: El Niño came, saw, and conquered

Global Monitoring Laboratory - Carbon Cycle Greenhouse Gases

Are living trees and plants in cold regions measurably warmer in temperature than dead trees or plants in the same region? - Quora

U.S. Energy Information Administration - EIA - Independent Statistics and Analysis

Visualized: Global CO2 Emissions Through Time (1950–2022)

Each Country's Share of CO2 Emissions