Joe Biden wants America to lead the world against the climate crisis. That goal faces a big test this week.

President Joe Biden’s ambitions to lead the world in slowing the planet’s warming will be tested on two continents this week as he travels to Scotland for the most important climate talks in years, while back home lawmakers come closer to making his visions a reality.President Joe Biden’s ambitions to lead the world in slowing the planet’s warming will be tested on two continents this week as he travels to Scotland for the most important climate talks in years, while back home lawmakers come closer to making his visions a reality.