The climate crisis is the greatest crisis the Earth faces. It threatens the entire ecosystem that all life depends upon.
The refugee crisis is arguably the greatest challenge humanity faces. It affects hundreds of millions of people and is the dominant force shaping politics across the Earth.
Strong arguments can be made for both these statements.
The interlinking nature of the two crises, both practically and politically, is the key to finding real solutions and raises the question: why do the movements seem so separate?