Russia has allot of experience with wildfires it has the largest and densest northern forests in the world combined with a permafrost that holds insane amount of methane and other carbohydrates.
Climate change and forest fires are huge national security issue to Russia and if they go out of control it can cause horrible damage to Russia and even then entire planet as it can cause a Permian extinction style event which happened before when the Siberian carbon traps went up in flames. https://en.wikipedia.org/wiki/Permian%E2%80%93Triassic_extin...
Russia has been dealing with huge wild fires every several years https://en.wikipedia.org/wiki/2015_Russian_wildfires https://en.wikipedia.org/wiki/2010_Russian_wildfires
They are one of the few countries that designs and builds dedicated firefighting aircraft designed to combat large forest fires. https://en.wikipedia.org/wiki/Beriev_Be-200 And while they might be arseholes on the political scene otherwise every time there is a large scale fire they do extend their hand and come in with serious help.