For some groups, including many women, younger people, disabled people and people from ethnic minorities, nature spaces may feel inaccessible or less enjoyable because they are not safe – from the risk of physical harm, sexual harassment, hate crime or discrimination. For many of these groups, this inequality has a double effect. Several groups described above not only get less of the well-being benefit of connecting with nature due to these access barriers, but they are the groups within our population most at risk of mental health problems.