Crispy Crossword - Geography

The change in global or regional climate patterns.
These are a cause of climate change, are is done by burning them.
A water-bearing rock from which water can be pumped.
Renewable fuels derived from biological materials, such as algae and plants, that can be regenerated.
A configuration of molecules and an elemental building block of all organisms on Earth.
Describes the process by which living things absorb carbon from the atmosphere, sediments and soil, or food. The cycle ends by the carbon returns to the atmosphere in the form of carbon dioxide.
The gas that accounts for about 84 percent of total U.S. greenhouse gas emissions. In the U.S. the largest source of carbon dioxide (98 percent) emissions is combustion of fossil fuels.
Substances released into the air and are measured by their concentrations, or parts per million, in the atmosphere.
In the early 1960s scientists recognized that carbon dioxide in the atmosphere was increasing. Later they discovered that methane, nitrous oxide and other gases were rising. Because these gases trap heat and warm the Earth, as a greenhouse traps heat from the sun.
The main ones are water vapor (H2O), carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride (SF6).
Energy from sources that will renew themselves within our lifetime.
Unplanned burns in any natural environment, like a forest or a grassland. A cause of climate change.