Global warming refers only to the Earth’s rising surface temperature, while climate change includes warming and the “side effects” of warming—like melting glaciers, heavier rainstorms, or more frequent drought. Said another way, global warming is one symptom of the much larger problem of human-caused climate change.
Gandalf gets Beorn to shelter thirteen dwarves by bringing them in two by two while he tells an exciting story. ... the mention of the dwarves being attacked by Goblins eventually interests about the dwarves. Beorn doesn't like Goblins or the wolves.