University of Bedfordshire
Faculty of Creative Arts, Technologies and Science
School of Life Sciences
Global Environmental Change
|Date of Exam:
|Wednesday 24 January 2018
3 hours (inclusive of reading time)
Dr Barry Haggett
INSTRUCTIONS TO CANDIDATES
• Please answer 3 questions in total
• Please answer 2 questions from Section A (All questions in this section are of
• Please answer the compulsory question section B
• You are recommended not to spend more than 60 minutes on each question
• This is a closed book examination
DO NOT OPEN THIS EXAMINATION PAPER UNTIL INSTRUCTED TO DO SO BY THE
Section A (60% of the total mark)
1. In 2013, the Intergovernmental Panel on Climate Change (IPCC) described the evidence for manmade climate change as ‘unequivocal’. Despite this, many people claim that climate change is not
happening or is not caused by people. Critically analyse the causes and consequences of scepticism
about climate change.
2. Evaluate the way in which humans have altered the nitrogen cycle and explain the positive and
negative effects of such changes.
3. Critically evaluate the causes of food insecurity in developing countries and recommend what
can be done to improve food security in these places.
4. The United Nations Framework Convention on Climate Change (UNFCCC) is fundamentally
flawed and should not be the basis for international negotiations on climate change. Discuss.
5. Critically discuss the environmental and human health impacts of black carbon.
Section B (40% of the total mark)
Assess the evidence that climate change is having a negative effect on biodiversity and evaluate
the consequences of climate-related biodiversity loss for ecosystem services.