Climate change: affect agriculture and forestry systems
• through higher temperatures, elevated carbon dioxide (CO2)
concentration, precipitation changes, increased weeds, pests
and disease pressure.
• Global mean surface temperature is projected to rise in a range
from 1.8°C to 4.0°C by 2100.
Changes impacts on all components of
food security: food production and availability, stability of food
supplies, access to food and food utilization.