1. (1) On 11 March 2011, Japan had a big earthquake and tsunami, leading to ＿＿＿＿＿＿＿＿＿ in Fukushima. (nuclear emission)

2. (2) Nuclear reactors contain ＿＿＿ which may contaminate our food. Long-term consumption of such contaminated food will increase the risk of leukemia, bone cancer, lung cancer and thyroid cancer. It may even affect the baby in the womb. (radioactive material)

3. (3) Hong Kong people are concerned whether the ＿＿＿＿＿＿ is contaminated with radiation and whether the Hong Kong Centre of Food Safety has tightened its monitoring. This has also affected the economy of Hong Kong. (agricultural produce from Japan)

4. (4) Hong Kong has a nuclear plant nearby. It is called the ＿＿＿＿＿＿＿＿＿. (Daya Bay Nuclear Power Station)

5. (5) The most serious nuclear accident ever has been the ＿＿＿＿＿＿＿＿＿. (Chernobyl disaster)

6. (6) Having learnt the lessons from the Chernobyl disaster and Fukushima nuclear emission, some countries including Japan, ＿＿＿＿＿＿ and Italy have stopped the development of nuclear power and asked other countries to reconsider the use of safe power. (Germany)

7. (7) In the last ten years, many countries scrambled for resources, causing the sea ice in ＿＿＿＿ to melt. (the Arctic)

8. (8) If the sea ice continues to melt in the Arctic, animals like, seals and seabirds that feed on the ocean's surface will be endangered. (polar bears)

9. (9) Not only is the ecology in the Arctic destroyed but there is also the risk of ＿＿＿＿ leakage. (petroleum)

10. (10) This will also lead to ＿＿＿＿＿＿＿ and climate change. We will be affected as well. We need to be concerned about ecological problems. (global warming)