Global Warming is an observational fact. Here is the proof.

Introduction

In this controversy, scientific evidence falls into two categories: direct measurements (which began with the invention-distribution of inexpensive, yet accurate, thermometers in the mid 1860s) and proxy measurements.

  1. Direct measurements require little interpretation provided you understand a very small amount of science.
     
  2. Proxy measurements require quite a bit of interpretation (because they cross many scientific disciplines -and- are spotty so do not necessarily represent world wide events) and so should only be left to the experts in the court of peer reviewed science.

Proof 1 - Sea Level Rise

Direct Measurements:

Indirect Measurements:

Summaries:

Proof 2: This interglacial is different

co2 across the ice ages

Proof 3 : CO2 is rising while Oxygen is falling

CO2 vs O2 (chart only goes to 2005)
  1. Average global temperatures have risen 1.05 C (1.9 F) degrees since broad measurements began in 1880
    Direct Measurement: http://climate.nasa.gov and https://www.giss.nasa.gov/research/
  2. CO2 levels have risen 27% since annual measurements began in 1958
    Direct Measurement: https://www.esrl.noaa.gov/gmd/webdata/ccgg/trends/co2_data_mlo.png (most recent CO2 data)
    Computed Rate of Increase: ((412-315) / (2019-1958)) = (97 / 61) = 1.59 ppm per year
  3. Oxygen levels have fallen (695-103) = 592 per meg since annual measurements began in 1990
    Direct Measurement: http://scrippso2.ucsd.edu/ (data sets are freely available for download )
    Analysis: Comments:
    1. Since O2 production by non-animal life is not able to compensate for all the "unnatural" fossil fuel burning by humanity, it appears that our biosphere is slowly dying.
    2. Most people forget that our machines (cars, trucks, boats, planes, tanks, etc) also breathe in oxygen while exhaling carbon dioxide

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Neil Rieck
Waterloo, Ontario, Canada.