When people are forced to flee their homes due to war, persecution or natural disaster, the provision of basic necessities is the utmost priority, but their welfare is also heavily dependent on the environment of where they settle. Deforestation, soil erosion and the depletion and pollution of water resources are among the most significant challenges that can be associated with the arrival and residency of internally displaced people and refuges.

Around the world, a staggering one billion people suffer from some form of preventable or treatable vision impairment. This ranges from moderate and severe vision impairment to blindness, with the leading cause being uncorrected refractive errors and cataracts. A lack of access to necessary medical equipment and professionals means that visual impairment is four times higher in in low- and middle-income countries compared to high-income regions.

The FAO estimates that around one third of global food production is lost or wasted each year, a subject that was at the heart of the most recent World Expo – Expo 2015 Milan, themed “Feeding the Planet, Energy for Life”. This challenge is a global one – rich countries waste around the same amount of food as the entire net food production of sub-Saharan Africa. At the same time, hunger remains a global problem with around 9% of the world’s population lacking access to sufficient food.

Accessing mental health services can be a major challenge, particularly in the Middle East and North Africa, where more than 65 million people suffer from mental health issues. Care providers are stretched thin, with as few as one psychiatrist per 100,000 people in the MENA region, while social stigma, discrimination and neglect often prevent people from attending psychotherapy clinics or seeking help. With two-thirds of global population not seeking treatment because of these challenges, and suicide the second-highest cause of death among young people, the need for mental health services is greater than ever.

The impact of climate change, infrastructure projects and increased population means that 2 billion people around the world are expected to be vulnerable to flood disaster by 2050. While addressing the causes of flooding is essential, it is also imperative to improve flood resilience in the most affected areas, with people’s lives and livelihoods increasingly threatened by intense and unpredictable weather events.