Final Exam Questions and Answers - Assignment Example

Vapor from the surface of the earth into clouds of water in the air which then falls to the ground as rain is however excluded from this model. The concept of a healthy and an environmentally sustainable diet is a call for many in today’s generations. However, with ever-increasing concern about the future of food security and climate change there is significant renewed interest in the subject. Healthy and sustainable diet keen to help in reducing greenhouse gas emission have focused on reducing consumption of meat and dairy products.

Recent research shows that it is practical to meet a proper diet that that is healthy and has lower emissions (Macdiarmid 14). A third of the cereals produced are fed to animals; the number of people that can be fed from these cereals is more than those fed from the animal products. Therefore, incentives through legislation can be employed to realize this. For example, input subsidies among others. The masses can also be educated on other benefits of a vegetarian diet such as healthy eating (Clonan 460).

LCA is an assessment that quantifies the environmental impact, which includes raw materials, energy and emissions from eraction to end of life. The steps involved include; Scoping- involves defining the system and its boundaries. Inventory Analysis involves quantifying material and energy flows throughout the system. Impact assessment encompasses translating inventory data into meaningful impacts for example acidification, eutrophication. Improvement and interpretation analysis- making deductions and recommendations for example reduced carbon emissions.

Sustainability is use of renewable and non-renewable resources for economic reasons in a way that does not hinder future generations from utilizing the same resources in future. The triple bottom line suggests that impact on environment due to resource use should be bearable to the society, the economic gains should be equitably distributed to