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Carbon dioxide emissions from human activities are the primary cause of ocean acidification, with atmospheric carbon dioxide (CO 2) levels exceeding 422 ppm (as of 2024). [69] CO 2 from the atmosphere is absorbed by the oceans.
Atmospheric carbon dioxide (CO 2) concentrations from 1958 to 2023. The Keeling Curve is a graph of the annual variation and overall accumulation of carbon dioxide in the Earth's atmosphere based on continuous measurements taken at the Mauna Loa Observatory on the island of Hawaii from 1958 to the present day.
Satellite observations provides accurate readings of carbon dioxide and methane gas concentrations for short-term and long-term purposes in order to detect changes over time. [6] The goals of this satellite, released in January 2009, is to monitor both carbon dioxide and methane gas in the atmosphere, and to identify their sources. [6]
Metronome in November 2020, after the original clock was replaced with the Climate Clock. The Climate Clock is a graphic to demonstrate how quickly the planet is approaching 1.5 °C of global warming, given current emissions trends. [1]
The DAHS must be able to collect, record and store data, usually at 1-minute intervals. For compliance purposes, a DAHS must be in continuous operation 24/7/365 even when no process is on. For a valid measurement, the DAHS must record at least one reading every 15 minutes for 3 out of 4 quarters. The readings are then averaged hourly. [5]
Remote sensing of trace gases has several challenges. Most techniques rely on observing infrared light reflected off Earth's surface. Because these instruments use spectroscopy, at each sounding footprint a spectrum is recorded—this means there is a significantly (about 1000×) more data to transfer than what would be required of just an RGB pixel.
Dr Chapman’s paper, published in December 2024, shows that emissions will exceed 60 million tonnes of CO2 in just five years if expansions are approved at London airports including Luton and ...
Soon, it may not even be a choice. WEF speaker warns every time we drink coffee, we are 'putting CO2 into the atmosphere’ — says each ton of Joe emits an alarming 15 to 20 tons of CO2.