How can scientific knowledge be effectively translated into policy and action?

Net zero refers to a state in which the greenhouse gases going into the atmosphere are balanced by removal out of the atmosphere. ... carbon dioxide (CO2). The enhancement of the CO2 mole fraction in the atmosphere over pre-industrial is expressed both as ppm and as a percentage change since the year 1800. Data ... Jan 15, 2025 ... The average global atmospheric CO₂ concentration has increased by almost 20 percent since 1990, and set a record high in 2022. Jun 9, 2022 ... CO2 is the largest component of aircraft emissions, accounting for approximately 70 percent of the exhaust. The gas mixes in the atmosphere with ... Feb 25, 2025 ... In the 200-plus years since the industrial revolution began, the concentration of carbon dioxide (CO2) in the atmosphere has increased due ... Oct 5, 2021 ... “What matters for the atmosphere and the climate is cumulative CO2 emissions. ... Extending the analysis back to 1750 would add 0.1 percentage ... About 90 per cent of the world's carbon emissions comes from the burning of fossil fuels, and most of Australia's emissions also comes from energy production. BER supports research into atmosphere carbon dioxide and other greenhouse gases. ... And about 30 percent of the carbon dioxide we produce has been captured by ... Feb 11, 2009 ... ... percent of those generated by today's ... Another indication that human emissions dwarf those of volcanoes is the fact that atmospheric CO2 ... Aug 31, 2022 ... We hear about the overload of carbon dioxide in the atmosphere, but what percentage of this comes from human exhalation? Nick Canning.