Table 1 Top greenhouse gas polluters in Wales

1. RWE Npower, Aberthaw Power Station, 7.4

1. RWE, 28,325

2. Tata-Corus Steel, Port Talbot, 6.8

2. Tata-Corus, 5,672

3. E.On Deeside Power Station, 3.2

3. Chevron, 3,070

4. Chevron Oil Refinery, Milford Haven, 2.3

4. Total, 2,238

5. NPower Cogen, Barry, 1.7

5. Uskmouth, 2,009

6. Total Oil Refinery, Milford Haven, 1.2

6. E.On, 1,410

7. Baglan Operations, Neath, 1.2

7. Castle Cement, 964

8. Uskmouth Power Station, Newport, 0.9

8. Blue Circle Cement, 801