China&rsquo s bad debt write off. 5-biggest banks write off 40bil.

There does appear to be an appetite for a change, evidenced by last year' s historic agreement at the COP21 summit in Paris. 

There, world leaders agreed to make sure global warming stayed " well below" 2 degrees Celsius and to " pursue efforts" to limit the temperature rise to 1.5 degrees Celsius.

" If the world is serious about tackling climate change, the world' s energy mix in 2050 will have to look fundamentally different from the one we have today," Gunnar Luderer, from the Potsdam Institute for Climate Impact Research (PIK), told CNBC via email.

" Limiting global warming to well below 2° C, as agreed by the international community at the climate summit in Paris last year, requires close to carbon-free electricity supply and a drastic reduction of fossil fuel use in the industry, transportation and buildings sectors," Luderer added.

Bearing all of the above in mind, solar looks set to have a very big role to play in the world' s energy mix.

In 2014,  International Energy Agency stated that, sun could be the planet' s biggest source of electricity by 2050.

Meanwhile  Fossil fuels remain a key player to powering this planet,

On concerns over climate change and energy mount, question of what our planet' s energy mix will look like in 2050 is increasingly pressing..

               

Sterling' s tumble isn' t finished, Koon How Heng, a senior foreign-exchange strategist at Credit Suisse, told CNBC.

" We still have a very negative view on  the sterling," Heng said.

Sterling was fetching $1.2732 Wed, under $1.2796 low it hit on July 6 in the wake to leave European Union. Wednesday' s levels were down from levels over $1.30 last week and well off the high of $1.5018 the currency touched before the June 23 poll. Since 1985.

" Officially, our forecast for sterling dollar is at 1.25," Heng told CNBC' s " Street Signs" just hours before the currency took its latest leg lower. " We would think it' s going to head lower. It' s probably going to go down the tubes."

However, another analyst told CNBC Wednesday that sterling weakness is likely to persist, as the market still isn' t pricing in the increasing likelihood of a ' hard' Brexit.

" Forecast for the year end is $1.20

Shares of U.S. traded Deutsche Bank soared 15% on Friday on a report that it was close to a $5.4 billion settlement with Justice Dept for its role in the mortgage bond crisis, rather than the proposed $14 billion deal. CNBC could not independently verify that report.

The reality is that Deutsche Bank has 1.8 trillion euro in assets and $220 billion in cash on hand. It' s the largest bank in  Germany, with tremendous worldwide reach. He expected a settlement to be reached.

Wall Street saw news of a possible settlement as a surprise b' cos the media only focused on the negative aspects of the story.

" If this deal falls apart, Deutsche Bank will be able to find capital, from key institution, or in the worst case scenario, the German govt."