Xuejiang, a town in China, recently increased their levels of steel and construction materials production. The factories that produce these materials have been burning high levels of fossil fuels to support this production. Ontario, meanwhile, has been burning low levels of fossil fuels thanks to investment in alternative energies, and a general decrease in the manufacturing industries there. Given the paragraph above, please answer correctly the following question: Which area will contribute more to global warming, Xuejiang or Ontario?
Answer:
Xuejiang