impact on vs impacts

Some examples from the web:

• All PPP have an impact on biodiversity.
• It will impact on waste management also.
• Read more about our impact on climate change.
• Photographs have a huge impact on the sort of client you get.
• The televised death and march had a huge impact on public opinion.
• Other invaders made their impact on Britain known.
• Cloud-to-ground lightning has the greatest impact on our everyday lives.
• It may be just an impact on the mechanism itself.
• Their impact on the world was not much greater than that of jellyfish or fireflies or woodpeckers.
• When a good person dies, there should be an impact on the world.
• Our impact on the climate is declining.
• We were told this would have very little impact on the neighborhood.
• But any pressure or impact on the entrance wound could dislodge it.
• Tonight, we'll examine his impact on our society.
• This has had a very profound impact on children's behaviour, on mental illness.
• Our impact on the Earth is greater today than ever before.
• It has no impact on the rest of the network.
• This technology made a very important impact on us.
• Minimize negative aspects and deny personal impact on relationships.
• There is no impact on glucuronidated-ZDV levels.

Some examples from the web:

• (h) quantified environmental impacts.
• Our trade policy obviously impacts substantially on development.
• Actions taken shall be appropriate to the magnitude of the problems and the environmental impacts encountered.
• At least 5 impacts shall be carried out for each speed range.
• The socio-economic impacts of the proposed restriction may be analysed with reference to Annex XVI.
• Life-cycle thinking on the overall impacts of exemptions should apply, where relevant.
• Release of radioactive materials have potentially serious local and transboundary impacts.
• Environmental impacts of gear are a very important factor.
• These actions should contribute to reducing environmental impacts from road freight transport.
• There were no bullet impacts behind where Sergeant Gabriel was standing.
• Search: visible impacts of climate change leading up to 2010.
• It rightly stresses the general objective of reducing environmental impacts of waste and the primary role waste prevention should play.
• This reduction also impacts on Community initiatives and the completion of programmes dating from before 2000.
• Investment decisions are based on projected revenue and cash flow allowing for policy impacts and changes in the generation mix.
• The criteria should be based on all the environmental impacts of the product.
• The paper analyzes the predicted impacts of these two approaches.
• Pending scientific progress to identify suitable metrics for comparing the different impacts, a pragmatic and precautionary approach is required.
• Some of their decisions have really big impacts.
• These almost certainly reflect divergences in terms of that system's distributional impacts.
• The transformative impacts of technology will ultimately make themselves felt.