Climate change and what people do really make it easier for diseases that jump from animals to humans to spread. Here’s how:

• Habitat Disruption: When forests are cut down and cities grow, animals have to move to new places. This means they come into contact with people more often.

• Climate Variability: Changes in temperature and rain affect where insects like mosquitoes can live. This can help diseases spread.

• Global Trade and Travel: When goods and people move around the world more, it's quicker for diseases to spread.

To tackle these problems, we can do a few things:

• Improve ways to watch and track diseases.
• Protect wildlife and their habitats.
• Make stronger rules to keep diseases from spreading.

But finding good solutions can be tough because these issues are very complicated.