sentence: More pollutants create clouds with more number of smaller droplets.
sentences_before: Air pollutants absorb solar energy and reflect sunlight back into space. The pollutants can also become the core for cloud droplets. Water droplets in clouds fuse around the pollutants.
sentences_after: The smaller droplets make clouds to reflect more light. This causes more sunlight to be reflected back into space and less light reaches the Earth's surface.
concept_name: pollutant
headings: Global dimming Causes and effects
categories: Climate change Environmental issues