
Climate change has caused melting icebergs, flooding, and landslides. It can also bring about an increase in pollen levels, prolong the duration of pollen season, and cause more pollen-related health problems.
Pollen grains landing on the moist membranes of the nose or eyes cause “hay fever” (allergic rhinitis) in one in five people. This often leads to a runny or blocked nose and itchy eyes.