Burning fossil fuels, coupled with deforestation, increases the amount of in the atmosphere greatly.

Carbon dioxide. Forests act as huge sources for carbon dioxide.

hope that helps! :)

Answer glacier terminus;

Mexico has a host of environmental problems, including significant chemicalpollution  from factory discharges and waste dumping, but the main threat to itsbiodiversity  probably stems from  deforestation  and other natural habitat losses. forest habitat is lost for a number of reasons