Causes of climate 1 Causes of climate change 1 Climate System 1 Climate change 1 Climate change and agriculture 1 Climate change on food security 1 Climate system 1 Environmental Problems 1 Global warming 1 III. PATTERNS.- Temporal Dynamics.- Landscape Heterogeneity and Ecosystem Dynamics 1 IV. INTEGRATION.- Changes in the Earth System.- Managing and Sustaining Ecosystem 1 Impact of agriculture on climate change 1 Pollution 1 Social Sciences 1 Terrestrial Ecosystem, The Ecosystem Concept, Earth's Climate System, MECHANISMS.- Water and Energy Balance.- Carbon Inputs to Ecosystems.- Plant Carbon Budgets.- TerrDecomposition and Ecosystem Carbon Budgets, Plant Nutrient Use, Nutrient Cycling, 1 Trophic Dynamics.- Species Effects on Ecosystem Processes, 1 climatic system 1