The most efficient urban mass transport mode known today is subways, and that is mainly because it operates in a 3D separated environment. However, most of the cities cannot implement it mainly due to affordability and disruptions during the construction phase. We are told that buses are also sustainable, because they can reduce emissions and…
For 32 years since the first UNFCCC in 1992 humankind is officially committed to mitigate Climate Change by phasing out fossil fuels as our energy source and replace them with renewables. Despite a staggering 661-fold increase in Solar and Wind energy generation and an overall 285% increase in renewable energy generation, and vast stretches of…
What are the emissions of a 400,000 DWT bulk carrier expressed in equivalent combustion engine cars? ChatGPT said: ChatGPT To estimate the emissions of a 400,000 DWT (Deadweight Tonnage) bulk carrier in terms of equivalent combustion engine cars, we need to consider several factors, including the ship’s fuel consumption and the emissions produced by typical…
What’s the typical proportion between the overburden, the ore and the useful substance for spodumene? ChatGPT said: ChatGPT In spodumene mining, the typical proportions between overburden, ore, and the useful substance (which is lithium-bearing spodumene) can vary significantly depending on the deposit and the mining method. Here’s a general breakdown: To summarize, a typical spodumene…
Are energy storages generally made with the same minerals and technologies as electric car batteries? ChatGPT said: ChatGPT Energy storage systems (ESS) and electric car batteries share many similarities in the minerals and technologies used, but there are also some differences depending on the specific application and scale of the energy storage system. Here’s a…
If, for example we want to build an energy infrastructure to keep a billion of cars in motion using a renewable infrastructure, what would be the required energy storage capacity expressed in equivalent car batteries? ChatGPT said: ChatGPT To estimate the energy storage capacity required to keep one billion cars in motion using a renewable…
Let’s reference the percentage of car users to the UK population in the corresponding year:For example, the East of England had the greatest drop in car users, 6% (from 79% to 73%), which is probably a reason for their local authorities to be proud of.Say the whole country would have recorded the same “performance ”…
Buses are advertised and declared to be “Sustainable”. However, the simple presence of buses on urban roads doesn’t necessarily reduce transportation’s emissions or traffic congestion in the area. In some cases it achieves the opposite. We already demonstrated that for several decades to come, the energy for mobility will come from fossil fuels, no matter…
Every good deed comes at a price. The Green Revolution is no exception. Superseding 1.6 billion combustion cars worldwide with electric ones comes at a gigantic financial and environmental cost. Most of it is not perceived by the population because it occurs outside our backyard. So, let’s delve into the world we don’t see: Everybody…
The first steps to solve a problem are to define it, assess realistically the status quo, identify root causes, set the goals and relevant metrics and then periodically measure the results. Well, in addressing Climate Change by replacing Fossil Fuels with Renewables our policymakers failed to identify the real root causes, their metrics are totally…
