Meteorologists are keeping a watchful eye on the western coast of Mexico amid concerns that tropical storm Andres could become a hurricane.
Many analysts say a rise in greenhouse gases emissions and climate change are to blame for an increase in the number of powerful storms such as Andres.
Now the Mexican government is proposing a new "green fund" to tackle global warming, in which richer nations would pay higher contributions than poorer ones. Mariana Sanchez reports.
