Global isishning falsafasi - inson faoliyati natijasida yerning o'rtacha harorati ko'tarilishini tushuntiruvchi tushuncha. Is gazlarining chiqishi ortishi natijasida global harorat 1,1°C ga ko'tarilib. IPCC hisobotiga ko'ra, harorat 2100 yil yana 2,5°C dan ortiq oshishi mumkin