The influence of a factor that can cause climate change, such as a greenhouse gas, is often evaluated in terms of its radiative forcing. Radiative forcing is a measure of how the energy balance of the Earth-atmosphere system is influenced when factors that affect climate are altered.
The 26th of July Movement (Spanish: Movimiento 26 de Julio; M-26-7) was a vanguard revolutionary organization led by Fidel Castro that in 1959 overthrew the Fulgencio Batista dictatorship in Cuba.The Movement fought the Batista regime on both rural and urban fronts.fter the takeover, anti-Batistas and liberals joined the M-26-7 movement, which gained control over Cuba. The Movement was joined with other bodies to form the United Party of the Cuban Socialist Revolution, which in turn became the Communist Party of Cuba in 1965.
September 29, 1943. Popowo, Poland. Lech WaÅÄsa, (born September 29, 1943, Popowo, near WÅocÅawek, Poland) labour activist who helped form and led (1980â90) communist Polandâs first independent trade union, Solidarity. The charismatic leader of millions of Polish workers, he went on to become the president of Poland (1990â95).