Mr tan and his family are doing their part in helping to reduce global warming . Mr tan is a clever and wise man , he know that global warming is cause by excess co2 emission , so he need to reduce co2 emssion by installing solar energy system.

Beside that , mr tan also buy energy efficient washing machine, solar powered water heater and other energy saving appliances because it help save s electricity . Mr tan also plant two big mango trees because the shade keep the house environment cool .

To further cut down co2 emission , mr tan and his wife take public transport for work, while his children walk to nearby primary school . They also sleep early, wake up early to reduce electricity usage during nightime .

**note : you have to be super creative and relate a lot of things when writing essay , think out of the box!