The chemical industry is responsible for about 5% of global CO 2 emissions and is key to
achieving net-zero targets. Decarbonizing this industry, nevertheless, faces particular …

Executive summary Food systems have the potential to nurture human health and support
environmental sustainability; however, they are currently threatening both. Providing a …

Cropland is a main source of global nitrogen pollution,. Mitigating nitrogen pollution from
global croplands is a grand challenge because of the nature of non-point-source pollution …

Cost degression in photovoltaics, wind-power and battery storage has been faster than
previously anticipated. In the future, climate policy to limit global warming to 1.5–2° C will …

Excessive agricultural nitrogen use causes environmental problems globally, to an extent
that it has been suggested that a safe planetary boundary has been exceeded. Earlier …

Fine particulate matter (PM2. 5, particles with a mass median aerodynamic diameter of less
than 2.5 micrometers) in the atmosphere is associated with severe negative impacts on …

Ambitious climate policies, as well as economic development, education, technological
progress and less resource-intensive lifestyles, are crucial elements for progress towards …

Ruminant meat provides valuable protein to humans, but livestock production has many
negative environmental impacts, especially in terms of deforestation, greenhouse gas …

Global agriculture puts heavy pressure on planetary boundaries, posing the challenge to
achieve future food security without compromising Earth system resilience. On the basis of …

Water security is at stake today. While climate changes influence water availability,
urbanization and agricultural activities have led to increasing water demand as well as …