The East African nation of Rwanda was the first country to ban the use of plastic bags. Rwanda’s first plastic ban was in 2005. Since then, the ban has been revised to include more and more types of plastic. In 2019 the law was extended to include all plastic bags and single-use plastic. Grocery shops use paper bags in place of plastic bags. Discuss the issues involved in banning the use of plastic bags, highlighting why it is beneficial and why it might not be beneficial, in the context of Singapore. Make suggestions on how to overcome any negative effects of banning the use of plastic bags.

Compare and contrast the different frameworks of hydrological studies and socio-hydrology. State your preferences, if you have one, and Why?

What is the law of conservation of energy and how is this law applies to the Earth’s energy balance?  Generally, what happens to the energy from the sun (incoming solar radiation) once it passes into the Earth’s atmosphere?

How does oil paint contribute to the new Renaissance vision of Science, Naturalism, and Art? Briefly explain the Renaissance view of science and Naturalism. What role did oil paint play? How was it used? What painting media did it improve upon and outperform? Use painting examples from our text in your essay.