The gravest impacts come from cumulative and prolonged adversity which are not balanced or mitigated by protective experiences and relationships.
"The government in Gujarat has served a blow to the Narmada Bachao Andolan and all of us who stand in solidarity with the grave impact of the impacted communities and the environment.
This has a grave impact not just on health, but on growth.
When you can't find a job, there is a grave impact, financially and psychologically.
If our libraries closed it would leave a lot of people stranded, and have a grave impact on my life".
But if the spill continues unabated and the currents move west, it could have a grave impact.
Climate change, which Trump has denied and dismissed, has already had a grave impact on the world's poorest people.
"This incident highlighted the grave impact the crisis in Syria has on the security of its neighbours and on regional peace and stability," a statement said.
"The South's authorities must think about the grave impact its actions will have on North-South relations," the North Korean statement said.
"Fertilisers and pesticides have played an important role in enhancing productivity but in certain areas improper use has had a grave impact on the environment," he said.
