In 2018 NASA showed fairly steady sea level rise since 1870, but the rate from their satellites was nearly double that. 
Sea Level | Vital Signs – Climate Change: Vital Signs of the Planet
So they altered the historical data to make the tide gauges and satellites line up.
Sea Level | Vital Signs – Climate Change: Vital Signs of the Planet
Paypal tell me you are “ineligible to receive donations”. I’m surprised you still use their “service”, in which case how does one donate without using these creatures?
Offtopic, but related to hockeystick science.
The global oligarch branhch operating under the name EU has declared to reduce co2 emissions by 90% in the next 16 years.
On top of that they even admit they have an error rate of 3 mm for satellites
When your error rate is twice as high as the sea level rise.