'improvements in livelihoods' is correct and usable in written English.
You can use it when talking about quality of life or economic wellbeing. For example: "Our organization has made significant improvements in livelihoods for many people in the past five years."
The question here is not whether the Cuban people have had their livelihood improved despite the country's privation, but rather, is their future improvement in livelihood going to be viewed as the direct result of the U.S. unshackling its embargo chain?
Conservation organizations are asked to be responsive to a number of ethical obligations beyond that of the conservation of biodiversity: the reduction of poverty, the imperative of social justice and cultural integrity, and the improvement in human livelihoods.
The challenges, successes and other experiences of these two Kenyan projects are presented and illustrated by way of a case study as to how simple participatory approaches can actually lead to significant improvement in the livelihoods of the rural resource poor families.
As a result, the Cambridge Forest Association (CFA) was formed to lobby for improvement in the livelihoods of the people of Lincolnshire.
This had resulted in the protection and better management of forest and fisheries resources, the reduction of illicit logging and fishing, and, at the same time, in the improvement in the livelihoods and food security of the communities in Siem Reap Province.
The Uttara Kannada District with relic forests (sacred forests/groves) and highly productive landscapes conserve local biodiversity and offer important ecological services, as well as improvement in the livelihood of local communities (Ray and Ramachandra 2010).
The project is aimed firstly at improving in a sustainable way the life chances of people in the area through improvements in health, education and livelihoods.
