In an appeal to the members of the G20, which will be held in Hamburg on July 7-8, a group of scientists listed measures to prevent global warming, which should be undertaken no later than 2020, otherwise the climate catastrophe will not be avoided.

According to the authors of the report, published in the journal Nature, Christiana Figueures and three other leading climatologists and two economists, until 2020, it is necessary to achieve the following:.

- Renewable energy - mostly wind and sun - must provide at least 30% of the world's electricity production. Moreover, after this period, it is not possible to put into operation new coal stations.

- The share of electric vehicles in the total sales of new vehicles should increase from 1% (now) to 15%.

- Governments should require manufacturers to improve the fuel efficiency of heavy aircraft by 20%, and reduce by 20% in aviation emissions of carbon dioxide per kilometer traveled.

- Greenhouse gases allocated in the process of deforestation and agriculture, which now constitute 12% of the total emissions, must come to naught.

- The experts also listed specific measures to reduce carbon dioxide emissions in heavy industry, construction and infrastructure.

- Finally, governments and banks should increase 10 times the volume of "green bonds", the emission of which is to reduce CO2 emissions. Now they are issued for about $ 81 billion.

If these measures are not met, the temperature in the coming years will rise by more than 2 degrees Celsius compared to the state before the industrial revolution, and we are awaited by natural disasters, from droughts and hurricanes to massive migration caused by the rise in the level of the world's oceans, Reports Phys.. Org.

A serious blow to the efforts of fighters against climate change was the US withdrawal from the member countries of the Paris Climate Agreement. The new decree, signed by President Donald Trump, suggests a reduction in the budget of the US Environmental Protection Agency, as well as cancels the requirements that limited the emissions of carbon dioxide and methane.

Source: High Tech.