climate goals. so this has left gas as the main source, climate goals. so this has left gas as the main source, also- climate goals. so this has left gas as the main source, also because| climate goals. so this has left gas. as the main source, also because it is less as the main source, also because it is less polluting as the main source, also because it is less polluting than as the main source, also because it is less polluting than coal - as the main source, also because it is less polluting than coal and - as the main source, also because it is less polluting than coal and oil. i is less polluting than coal and oil. so is less polluting than coal and oil. 50 germahy is less polluting than coal and oil. 50 germahy cah is less polluting than coal and oil. so germany can rely is less polluting than coal and oil. so germany can rely on is less polluting than coal and oil. so germany can rely on the - is less polluting than coal and oil. l so germany can rely on the russia