one concern is, that many pesticides are killing multiple insects
No, it is not.
It's dangerous
Why is the melting of glaciers an urgent enviromental concern
No, the North Sea is not of environmental concern to Europe. However, it is important to Europe that it keeps the North Sea in acceptable condition.
k
The main environmental concern in the Middle East is a lack of water.
Acid rain
Some environmental changes will result in an increase in the number of light-coloured insects whereas other changes will cause a decrease. The answer depends on the specific environmental change - which has not been specified.
hadoy
environment is every thing
Ozone acts as a shield to earth. It is getting depleted.
A major concern is the disposal of waste matter.