He said Hafren Power needed to show that the project would tackle environmental challenges, work to mitigate the negative impact on the local economy such as Bristol Port and - most importantly - provide evidence the project is affordable and represents good value for electricity consumers.

BBC: Severn barrage: Pre-election consent not likely - Barker

The yield on dividend-paying equities is at or near all-time highs, relative to Treasuries, and I think represents a pretty good value right now in the marketplace.

FORBES: The Right Funds for This Environment

For example, an AQI value of 50 represents good air quality with little potential to affect public health, while an AQI value over 300 represents hazardous air quality.

FORBES: Air Quality In China