«Antibiotics use
affects the abundance
of resistant bacteria in soil: The use
of animal manure increases the soil
content of antibiotic - resistant genes.»
Several researchers have pointed to various other indicators as evidence
of «global warming», e.g., Arctic sea ice records, ocean heat
content measurements, or
animal and plant migration patterns.However, all
of these indicators are either too short to compare recent temperatures to temperatures before the 1950s, or else are
affected by non-climatic biases.