A. Past History

1. Proxy methods

a) Boreholes
b) Corals
c) Glacial extent
d) Ice cores
e) Isotopes
f)  Paleomagnetism
g) Tree rings

2. Ancient

a) Snowball Earth
b) Thermal maximums
c) Cataclysmic events

3. Recent

a) Temperature
b) Sea level
c) Precipitation
d) Storms
e) Fires

B. Present Factors

1. External forcing

a) Galactic variations
b) Orbital variations
c) Sunspots

2. Internal forcing

a) Orogeny & epeirogeny
b) Volcanism
c) Albedo
d) Atmospheric gases

   (1) Greenhouse gases

a) CO₂
b) CH₄
c) N₂O
d) CFCs & HCFCs 

  (2) Water vapor
  (3) Noble gases

e) Ocean circulation 

 f) Teleconnections

   (1) El Niño
   (2) La Niña
   (3) Oscillations

3. Human factors

a)   Population
b)   Consumption
c)   Technology
d)   Values

C. Future World

1. Models

a) Grid systems
b) Core equations
c) Emissions scenarios

2.   Verification

a) Temperature verification
b) Sea level verification
c)  Precipitation verification
d)  Greenhouse gas emissions

3. Responsibilities

a) Contributions
b) Burdens                                      c) Capabilities

A. Physical Earth

1. Land

 a) Fires
 b) Precipitation
 c) Temperature

2. Water

  a) Freshwater
      1) Groundwater
      2) Surface water
   b) Ice
        1) Glaciers
        2) Permafrost
        3) Polar caps
    c) Oceans
        1) Sea level
        2) Temperature
        3) pH,salinity & nutrients
        4) Currents

3. Atmosphere

     a) Composition
        b) Circulation
        c) Storms

4. Global cycles

     a) Carbon
        b) Water
        c) Nutrients

5.  Disasters

B. Life & Death

1. Biosphere

     a) Gaia hypothesis
      b) Primary productivity
      c) Water use

2. Ecosystem disturbance

     a) Productivity

           1) CO₂ acclimation
           2) N limitations
           3) Water use

     b) Distributions
     c) Diversity
     d) Seasonality

3. Species shifts

    a) Genes
    b) Populations
    c) Habitat shifts

       (1) Land

a) Polar
b) Alpine
c) Temperate
d) Tropical

       (2) Water

a) Freshwater
b) Marine

C. Humans

1. Human nature

a)   Vulnerabilities
b)   Resilience
c)   Intelligence

2.   Health

a) Food security
b) Water security
c) Disease
d) Heat waves

3. Economics

a) Stability
b) Livelihoods
c) Poverty

4. Societies

  a) National security

     1) Refugees
        2) Resource displacement

    b) Location
       1) Urban
          2) Rural
          3) Coastal

    c) Indigenous peoples

A.  Economics

1. Discount rates

2. Distributional issues

     a) Time
       b) Space

3. Intangibles

4. Risk assessment

   a) Certainties
         1) Consensus
          2) Dangers
    b) Probabilities
           1) Continuous
           2) Thresholds
    c) Uncertainties

B. Mitigation

1. Energy

 a)  Electricity
      1) Generation
            a) Fossil fuels
                  (i) Coal
                  (ii) Natural gas
                  iii) Carbon capture
            b) Nuclear
            c) Renewables
                  (i) Hydro
                  (ii) Wind
                  (iii) Solar
                  (iv) Biomass
                  (v) Geothermal
                  (vi) Wave & tidal
       2) Transmission
               a) Lines
               b) Grids
               c) Meters
       3) Storage

b)  Transportation

     1) Consumption
      2) Efficiency
      3) Alternative fuels

(a) Natural gas
(b) Hydrogen
(c) Electric
(d) Biofuels

c)  Industry

    1) Motors
      2) Steam
      3) Steel
      4) Cement

d)  Buildings                            

      1) Residential
       2) Commercial
       3) Industrial

2. Land & resources

    a)  Agriculture
     b)  Forestry
     c)  Material goods

3. Geoengineering

a) Radiation
    1) Cool roofs
     2) Stratospheric aerosols
     3) Cloud seeding
     4) Space shades
b) CO₂ management
      1) Biochar
       2) Air capture
       3) Ocean fertilization
c) Other
     1) Ocean mixing
      2) Ice cap retention

C. Adaptation

1. Current practices

     a)  Natural resources

     b)  Built environments

1) Coastal interface
2) Tourism

2. Cross-cutting efforts

      a) Planning

1) International
2) Local, state, & national

        b) Development
        c) Resilience

3. Future strategies

     a) Discrete projects
       b) Systematic approaches

D. Policy

1. International

      a) Global
       b) Multinational

2. National

3. Local

     a) Region
      b) Community
      c) Campus

4. Environmental justice

A. Individual

1. Evaluation

   a) Carbon footprint
     b) Personal adaptation

2. Activities

    a) Behavior modification
     b) Education
         (1) Misconceptions
         (2) Difficulties
      c) Volunteer

3. Careers

   a)  Private sector
     b)  NGO
     c)  Government
     d)  Academic

B. Collective

1. Household

   a) Carbon footprint
     b) Personal adaptation