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"A wedge represents an activity that reduces emissions to the atmosphere that starts at zero today and increases to 1 giga tonne per year of reduced carbon emissions in 50 years, a cumulative total of 25 giga tonnes of emission reduction over 50 years."
The following table lists the annual CO 2 emissions estimates (in kilotons of CO 2 per year) for the year 2023, as well as the change from the year 2000. [4] The data only consider carbon dioxide emissions from the burning of fossil fuels and cement manufacture, but not emissions from land use, land-use change and forestry.
The following table lists the 1970, 1990, 2000, 2010, 2020, 2021, 2022, and 2023 annual GHG [n 1] emissions estimates (in kilotons of CO 2 equivalent per year) along with a list of calculated emissions per capita (in metric tons of CO 2 equivalent per year). The data include carbon dioxide, methane and nitrous oxide from all sources, including ...
The International Energy Agency estimates that the top 1% of emitters globally each had carbon footprints of over 50 tonnes of CO 2 in 2021, more than 1,000 times greater than those of the bottom 1% of emitters. The global average energy-related carbon footprint is around 4.7 tonnes of CO 2 per person. [47]
Deforestation in the tropics – given as the annual average between 2010 and 2014 – was responsible for 2.6 billion tonnes of CO 2 per year. That was 6.5% of global CO 2 emissions. Deforestation is a primary contributor to climate change, [1] [2] and climate change affects the health of forests. [3]
This List of carbon capture and storage projects provides documentation of global, industrial-scale projects for carbon capture and storage.According to the Global CCS Institute, in 2020 some 40 million tons CO 2 per year capacity of CCS was in operation with 50 million tons per year in development. [1]
For comparison, the major source of CO 2, namely emissions from fossil fuel combustion and cement production, amount to 6.3 ± 0.6 Gt carbon per year. [15] In 2021 the Global Carbon Project estimated annual land-use change emissions were 4.1 ± 2.6 Gt CO 2 (CO 2 not carbon: 1 Gt carbon = 3.67 Gt CO 2 [16]) for 2011–2020. [17]
The following table lists the 1970, 1990, 2000, 2010, 2020, 2021, 2022 and 2023 annual per capita GHG [n 1] emissions estimates (in metric tons of CO 2 equivalent per year). The data include carbon dioxide (CO 2), methane (CH 4) and nitrous oxide (N 2 O) from all sources, including agriculture and land use change. They are measured in carbon ...