Sources of rising bond yields

There are a range of sources of rising bond yields:

Gradual "normalisation" after bond yields were suppressed by quantitative easing (and other central bank manipulation) and after a 5000 year low in interest rates. https://www.businessinsider.com.au/chart-5000-years-of-interest-rates-history-2016-6?r=US&IR=T
After a very long bull market for bonds in USA and Australia, commencing in 1982, US and Australian bond markets may be commencing a bear market. https://www.puzzlefinancialadvice.com/single-post/2018/01/14/Implications-of-huge-bond-bubble-crash---and-has-it-started
Rising inflation.
After exporting deflation for the last 20 year, China is now starting to export inflation.
Strong economic growth and very low unemployment is starting to drive up wages in USA. This may well be exacerbated through the fiscal stimulus and deficit spending of Donald Trump's company tax cuts.
Historically, bond yields tend to be CPI + maybe 2%.
Supply and demand.
Increased supply of US government bonds. Donald Trump's corporate tax cuts, will lead to significantly higher fiscal deficits, leading to higher amounts of US Bonds the USA will have to sell each year. This additional supply of bonds for sale will be exacerbated by the US Fed which is starting to reduce its balance sheet. https://www.puzzlefinancialadvice.com/single-post/2018/02/27/Charlie-Aitken-joins-chorus-warning-of-expensive-defensives
Reduced demand for US government bonds. The surplus countries that have been funding the US fiscal and current account deficits, may well be in the process of reducing their surpluses because of economic activity in their own countries. https://www.platinum.com.au/Insights-Tools/The-Journal/Macro-Overview
In response to Donald Trump's tariffs and trade war as discussed by Warwick McKibbin. https://www.puzzlefinancialadvice.com/single-post/2018/03/06/USAs-Achilles-heel-in-trade-war

For a view on how far bond yields will rise over the next 12 months, let us turn to highly regarded economist Ken Rogoff ( https://en.wikipedia.org/wiki/Kenneth_Rogoff ) from the AFR Business Summit 6/3/2018:

So Ken Rogoff sees US 10 year bond yields up 1% over the next 12 months 3.9% from the current 2.9%..... which is also up from 1.4% in July 2016. This means that:

While a US bond of 10 years duration last lost 13% of capital value since July 2016,
this same bond would lose another 8% over the coming year.
Keep in mind that all US assets are priced off US government bonds. So this bond yield rise has significant negative ramifications for all US asset prices.